The Washer,spring Tension, cataloged under National Stock Number 5310-01-131-2960, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-131-2960 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Material Thickness | 0.010 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 410 OVERALL |
| Hole Diameter | 0.251 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4M64C4 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 3502-14-47-4102 | 3/9 Design control — primary reference Itw Shakeproof Automotive Products |
NSN 5310-01-131-2960 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-131-2960: Overall Height: 0.087 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Material Thickness: 0.010 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.