Latest helical spring Tenders | Government helical spring Tenders

Central Government/Public Sector

CTN :45372342

05 Jun, 2026 NA

Multi City - Multi State

Tender For supply of set of primary helical spring for wag9h loco. drg. no./ spec- as per clw specn no. clw/ms/3/spec/eldo-bogie/004 alt-3 with latest alt. one set of consisting of 2 items 2 nos. (1). primary helical spring (outer) to clw drg.no.1209-01.215-027 alt-0 with latest alt. (2). primary helical spring (inner) to clw drg. no.1209-01.215-027 alt-0 with latest alt. [ warranty period: 30 months afterthe date of delivery ] ]

Central Government And Public Sector

CTN :45372388

26 Jun, 2026 NA

Multi City - Multi State

Tender For supply of set of primary helical springs for wag9hc locomotives to clws specification no. clw/ms/3/spec/eldo-bogie/004 alt.- 1 or letest comprising primary helical spring (outer) to clw drg. no. 1209- 01.115-027, & primary helical spring (inner) to clw drg. no. 1209- 01.115-027,(01 set=1 outerspring & 1 innerspring) [ warranty period: 30 months after the date of delivery ] ]

CTN :45363408

15 Jun, 2026 NA

Tiruchirappalli - Tamil Nadu

Tender For supply of euqipments for basic engg - basic engineering, digital tds meter, electronic analytical balance, electric bunsen burner, water distillation unit, battery eliminator, voltmeter, ammeter, sonometer, travelling microscope, potentiometer, deflection magnetometer apparatus, solar cell kit, wheatstone bridge kit, ohms law verification kit, boyles law apparatus, compound bar pendulam, helical spring, metre bridge

CTN :45363433

12 Jun, 2026 NA

Sivaganga - Tamil Nadu

Tender For purchase of equipments ( s.no 1 to s.no 21 ) for physics department - purchase of equipments, joule calorimecopper vessel, battery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), thermometer (alcohol), stop clock, ic regulated battery eliminatoric regulated, input: 230v ac; output: 0-12v dc in steps of 2v; capacity: 1a or 2a, galvanometermoving coil type, 30-0-30 scale,unbranded with bhelspecification-sensitivity 0.143mm/v, voltmeterdc voltmeter; range 0 10 v, analog, ammeterdc (0 - 2 amp), parallelogram apparatusparallelogram law of forces apparatus fitted with stand, decade resistance box resistance box 12 monthwarranty (dial type) -manganincoil- 2 dials, sonometer apparatussonometer with meter scale attached along with knife edge, tuning forks set 256, 384, 512 ranges, hammer, slotted weight - 500 gm each to a total of 3 kg. brass wire (5 m), travelling mircroscopbranded travelling microscope 0-200 mm horizontal and 0-150 mmvertical measurement, potentiometerit features a 1-meter to 10-meter constantan/manganin wire stretched on a wooden or sunmica baseboard with a millimeter scale. it includes 4mm brass terminals, a pencil jockey for contact, wire options (10 wires), and a typical resistance range of 10-20 ohms, ideal for high-precision voltage measurements., viscosity apparatusstokes apparatus with metre scale attached and long cylindrical glass jar, glass beads small size (1 box), screw gauge (0-15 mm), rheostathigh-grade ceramic tube, oxidized resistance wire, 0.5a 5a, range 10 100 ., deflection magnetometer apparatusdeflection magnetometerapparatus with compass boxand two short bar magnets, solar cell kitthe apparatus consist of variable dc power supply, led, solar cell and two multimeters (or an ammeter and a voltmeter). a variable dc power supply of 0-5v. light source is provided by led. the illumination intensity of the led can be controlled, wheatstone bride kitseries arm: four decade dials in steps of thousands, hundreds, tens, & units of ohms. ratio arm: the ratio arm of the bridge is capable of selecting multiplying factor of 0.001, 0.01, 0.1, 1, 10, 100, 1000 for resistance measurements. two press keys are provided, one marked b is for battery & one marked g is for galvanometer one toggle switch is provided for internal battery a sensitive galvanometer is provided in the bridge., ohm s law verification kitbattery eliminator-3a,(2,4,6,8,10,12 v), tubular rheostat20-3.3a,one way plug key,analog type dc ammeter (0-2a),voltmeter (0-5v),standard resistance coil of 1, 2ohm (2-set) wound on a woodenbobbin, boyle s law apparatusthe apparatus includes the quilltube, a retort stand, a clamp, anda mounted meter scale.quill tube specifications:length: approximately 50 cm.bore diameter: uniform bore,roughly 1 mm to 2 mm.construction: glass tube with oneend sealed. trapped substance: a mercurypellet (or thread) of length 10 to15 cm is introduced to enclose acolumn of air. mounting: attachedto a half-meter or meter scale., torsion pendulumtorsional pendulum metallic disc,symmetrical masses and pendulumstand, steel wire, compound bar pendulumone meter long iron strip wellpainted with holes at a distanceof every 5 cm and also with pairof brackets and a heavy basetable top stand with stop clock, helical spring apparatusstructure: a rigid support mounted on a heavy metal base, typically cast iron, to ensure stability during tests.springs: high-tensile steel spiral springs, typically (approx 25 mm) diameter, (100 mm) long.measurement scale: a vertical steel meter scale, usually with (1mm) graduations, for precise deflection measurement. loading mechanism: a, typically (50g), hook-attached weight hanger at the bottom.pointer: a fine pointer attached to the bottom of the spring moves along the scale.accessories: includes a set of slotted weights (e.g., (6times 50g) or similar sets) for incremental loading. , meter bridgetype: 1 m length, with unif

CTN :45362902

05 Jun, 2026 NA

Multi City - West Bengal

Tender For auction sale of rolling stock - sc. cut of parts of cond. coach, type-wgscn[beml], 1] er 082213, 2] er 072219 . condition- a] sold along with electrical fittings but without mechanical excluded fittings as available 1] wheel sets with rb and axle box, 2] bogie/trolley, 3] helical spring of sorts, 4] distributor valve, 5] common pipe bracket, 6] control reservoir, 7] brake cylinder, 8] buffer plunger, 9] wearing piece [bronze], 10] aluminium/zinc water tank, b] cutting allowed, c] purchaser should comply the special condition for dismantling of wagons-coaches as per annexure to cte no. : wbpcb/1968513/2022 issued by wbpcb. d] please check special condition and detailed conditions / amendments / modifications if any in depot condition before bidding.

CTN :45362903

05 Jun, 2026 NA

Multi City - West Bengal

Tender For auction sale of rolling stock - sc. cut of parts of cond. coach, type-wrrmdac[rcf], 1] ecor 081386 . condition- a] sold along with electrical fittings but without the rmpu unit, its associated components and other excluded mechanical fittings as available 1] wheel sets with rb and axle box, 2] bogie, 3] helical spring of sorts, 4] distributor valve, 5] common pipe bracket, 6] control reservoir, 7] brake cylinder, 8] buffer plunger, 9] wearing piece [bronze], 10] aluminium/zinc water tank, b] cutting allowed, c] purchaser should comply the special condition for dismantling of wagons-coaches as per annexure to cte no. : wbpcb/1968513/2022 issued by wbpcb. d] please check special condition and detailed conditions / amendments / modifications if any in depot condition before bidding.

CTN :45362904

05 Jun, 2026 NA

Multi City - West Bengal

Tender For auction sale of rolling stock - sc. cut of parts of cond. coach, type-waccnh[rcf], 1] er 072135 ab . condition- a] sold along with electrical fittings but without mechanical excluded fittings as available 1] wheel sets with rb and axle box, 2] bogie, 3] helical spring of sorts, 4] distributor valve, 5] common pipe bracket, 6] control reservoir, 7] brake cylinder, 8] buffer plunger, 9] wearing piece [bronze], 10] aluminium/zinc water tank, b] cutting allowed, c] purchaser should comply the special condition for dismantling of wagons-coaches as per annexure to cte no. : wbpcb/1968513/2022 issued by wbpcb. d] please check special condition and detailed conditions / amendments / modifications if any in depot condition before bidding.

CTN :45362905

05 Jun, 2026 NA

Multi City - West Bengal

Tender For auction sale of rolling stock - sc. cut of parts of cond. coach, type-wsczach [icf], 1] er 072152, 2] er 072159, 3] er 072161, 4] er 072163, 5] er 081305, 6] er 082155, 7] er 082156, 8] er 082157, 9] er 082159, 10] er 072158 type-wsczach [rcf] 1] er 082160, . condition- a] sold along with electrical fittings and bio tank but without the rmpu unit, its associated components and other excluded mechanical fittings as available 1] wheel sets with rb and axle box, 2] bogie, 3] helical spring of sorts, 4] distributor valve, 5] common pipe bracket, 6] control reservoir, 7] brake cylinder, 8] buffer plunger, 9] wearing piece [bronze], 10] aluminium/zinc water tank, b] cutting allowed, c] purchaser should comply the special condition for dismantling of wagons-coaches as per annexure to noc sl. no. 11652 issued by wbpcb. d] please check special condition and detailed conditions / amendments / modifications if any in depot condition before bidding.

CTN :45362906

05 Jun, 2026 NA

Multi City - West Bengal

Tender For auction sale of rolling stock - sc. cut of parts of cond. coach, type-wsczach [icf], 1] er 062162. condition- a] sold along with electrical fittings and bio tank but without the rmpu unit, and mechanical excluded fittings as available, 1] wheel sets with rb and axle box, 2] bogie, 3] helical springs of sorts, 4] distributor valve, 5] common pipe bracket, 6] control reservoir, 7] brake cylinder, 8] buffer plunger, 9] wearing piece [bronze], 10] aluminium/zinc water tank]. c] cutting allowed, d] purchaser should comply the special condition for dismantling of wagons-coaches as per annexure to noc sl. no. 08056 issued by wbpcb. please check special condition and detailed conditions / amendments / modifications if any in depot condition before bidding.

CTN :45346458

04 Jun, 2026 NA

Vellore - Tamil Nadu

Tender For supply of i year physics, chemistry lab items dept use - digital balanceweight 500g, accuracy 0.01g, top pan. tare function,caliberation- automatic external display type: led, digital tds meter range 0-9990 ppm, resolution 1ppm, digital lcd display, atc feature., heating mantlecapacity: 500ml rating 200w with energy regulator, joule calorimetercopper vessel, battery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), thermometer (alcohol), stop clock, hotplateplate size:25 x 30 cm (10 x 12 inch) with adjustable thermostate controlup to 350 degree temprature controlheating element: nichrome heating elementpower supply: 220 240 v ac, 50 hz, electric bunsen burnermaximum temperature up to 800 degree c, power supply 220 to 240 v, power 350 w, water distillation unitoutput capacity: 2 4 liters per hourmaterial: stainless steel boiler and condenserheater: built-in electric heating elementpower supply: 220 240 v ac, 50 hzcooling: water-cooled condensersafety: automatic low water cut-off, ohms law verification kitbattery eliminator-3a, (2,4,6,8,10,12 v), tubular rheostat 20-3.3a, one way plug key, analog type dc ammeter (0-2a), voltmeter (0-5v), standard resistance coil of 1, 2 ohm (2-set) wound on a wooden bobbin, boyles law apparatusthe apparatus includes the quill tube, a retort stand, a clamp, and a mounted meter scale.quill tube specifications:length: approximately 50 cm.bore diameter: uniform bore, roughly 1 mm to 2 mm.construction: glass tube with one end sealed.trapped substance: a mercury pellet (or thread) of length 10 to 15 cm is introduced to enclose a column of air. mounting: attached to a half-meter or meter scale., helical spring apparatusstructure: a rigid support mounted on a heavy metal base, typically cast iron, to ensure stability during tests.springs: high-tensile steel spiral springs, typically (approx 25 mm) diameter, (100 mm) long.measurement scale: a vertical steel meter scale, usually with (1mm) graduations, for precise deflection measurement. loading mechanism: a, typically (50g), hook-attached weight hanger at the bottom. pointer: a fine pointer attached to the bottom of the spring moves along the scale.accessories: includes a set of slotted weights (e.g., (6times 50g) or similar sets) for incremental loading.

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