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| Tender ID | 4216101 |
|---|---|
| Organisation Name | South Central Railway |
| Tender Brief | 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 ] |
| Last Date For Submission | 15th Jun, 2026 |
| Opening Date | Refer to Documents |
| Document Cost | 0.00 |
|---|---|
| EMD | 0.00 |
| Estimated Cost | 0.00 |
| City | Kazipet |
|---|---|
| State | Telangana |
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