The Washer,spring Tension, cataloged under National Stock Number 5310-01-389-5939, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-389-5939 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Outside Diameter | 0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| Material Thickness | 0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN |
| Material | BERYLLIUM COPPER (USE CUB000) OVERALL |
| Hole Diameter | 0.075 INCHES MINIMUM AND 0.080 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 |
|---|---|
| 195-634-0 | 3/2 Design control — primary reference U.S. Government activity |
| 195634-CRW-0 | 5/9 Secondary reference Fastbolt Corp. Dba Fastbolt Corp |
| SM-B-696623-1 | 5/9 Secondary reference Mkc Electronics Corp |
NSN 5310-01-389-5939 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-389-5939: Overall Height: 0.014 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN; Style Designator: SPRING TENSION; Outside Diameter: 0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN; Material Thickness: 0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN. 5 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.