The Washer,spring Tension, cataloged under National Stock Number 5310-01-016-4875, 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6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-016-4875 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | ASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.638 INCHES MINIMUM AND 2.648 INCHES MAXIMUM IN |
| Material Thickness | 0.030 INCHES NOMINAL IN |
| Material | STEEL COMP 1095 OVERALL |
| Hole Diameter | 2.395 INCHES MINIMUM AND 2.405 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 |
|---|---|
| 366386-7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-016-4875 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-016-4875: Overall Height: 0.197 INCHES NOMINAL IN; Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Material Document and Classification: ASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 2.638 INCHES MINIMUM AND 2.648 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.