Tender For manufacturing and supply of single piece spring inserted reusable seize nut for size m-25 lock nut m 025. dimensional requirement of the nut shall be as under (as per irs/t-23) and generic specifications (provisional) for self-locking nuts to be used in bolts for track fittings. basic material of the nut shall be of steel conforming to chemical composition, mechanical and physical properties mentioned in is-1367 part-06 or equivalent standards ensuring the performance requirements of indian railways as mentioned in this document with materials electro galvanizing or hot-dip galvanizing or nickel alloy coating etc. tenderer must enclose as per din 65151-dynamic testing of the locking characteristics of fasteners under transverse loading conditions (vibration test) or nas3350(national aerospacestandard)- vibration test requirements for high quality, self-locking nuts, used at temperatures up to 800 degrees f or iso 7481:2000 aerospace -nuts, self-locking, with maximum operating temperature less than or equal to 425 degrees c. brinell hardness of the nut shall be 139-287 hbw (as per sub-clause 9.1 of is 1367 part-6)along with tender. pitch screw threads for check rails of isejs and fish plated joints of cms crossings 28 & 25 mm pitch in 3 mm . [warranty period: 60 months after the date of delivery ] [ warranty period: 60 months after the date of delivery ] ]
Tender For corrigendum : manufacturing and supply of single piece spring inserted reusable seize nut for size m-25 lock nut m 025. dimensional requirement of the nut shall be as under (as per irs/t-23) and generic specifications (provisional) for self-locking nuts to be used in bolts for track fittings. basic material of the nut shall be of steel conforming to chemical composition, mechanical and physical properties mentioned in is-1367 part-06 or equivalent standards ensuring the performance requirements of indian railways as mentioned in this document with materials electro galvanizing or hot-dip galvanizing or nickel alloy coating etc. tenderer must enclose as per din 65151-dynamic testing of the locking characteristics of fasteners under transverse loading conditions (vibration test) or nas3350(national aerospacestandard)- vibration test requirements for high quality, self-locking nuts, used at temperatures up to 800 degrees f or iso 7481:2000 aerospace -nuts, self-locking, with maximum operating temperature less than or equal to 425 degrees c. brinell hardness of the nut shall be 139-287 hbw (as per sub-clause 9.1 of is 1367 part-6)along with tender. pitch screw threads for check rails of isejs and fish plated joints of cms crossings 28 & 25 mm pitch in 3 mm . [warranty period: 60 months after the date of delivery ]
Tender For bid to ras providing of custom bid for services - annual maintenance contract for eot cranes, winches, hoists & jib cranes at aerospace division hal (bc)
Tender For supply and installation of uav engine test rig with accessories at an approximate cost of rs.1,00,00,000/- to the centre for aerospace research (casr), anna university, chennai - 600 044
Tender For supply and installation of container-based command and control station with accessories at an approximate cost of rs.55,00,000/- to the centre for aerospace research (casr), anna university, chennai - 600 044