The Washer,spring Tension, cataloged under National Stock Number 5310-01-160-2056, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-160-2056 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-S-365,GRADE A FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Precious Material | SILVER |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM |
| Material Document and Classification | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Material Thickness | 0.007 INCHES NOMINAL IN |
| Surface Treatment | SILVER AND CHROMATE OVERALL |
| Precious Material and Location | ALL SURFACES SILVER |
| Material | COPPER ALLOY 172 OVERALL |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.265 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 |
|---|---|
| SM-B-374966 | 3/2 Design control — primary reference U.S. Government activity |
| 5310011602056 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5310-01-160-2056 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-160-2056: Overall Height: 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-S-365,GRADE A FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Precious Material: SILVER; Hardness Rating: 35.0 ROCKWELL C MINIMUM. 10 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.