The Washer,spring Tension, cataloged under National Stock Number 5310-01-418-8515, 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6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-418-8515 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Material Document and Classification | QQ-B-750 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN |
| Material Thickness | 0.0095 INCHES MINIMUM AND 0.0115 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | COPPER ALLOY 510 OR COPPER ALLOY 524 OR COPPER ALLOY 544 OVERALL |
| Hole Diameter | 0.125 INCHES MINIMUM AND 0.135 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 |
|---|---|
| 15971-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-418-8515 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-418-8515: Overall Height: 0.060 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN; Material Document and Classification: QQ-B-750 FED SPEC ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN; Material Thickness: 0.0095 INCHES MINIMUM AND 0.0115 INCHES MAXIMUM 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.