The Washer,spring Tension, cataloged under National Stock Number 5310-01-039-7449, 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6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-039-7449 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM50.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.297 INCHES MINIMUM AND 0.297 INCHES MINIMUM AND 0.307 INCHES MAXIMUM0.307 INCHES MAXIMUM IN |
| Material Thickness | 0.00925 INCHES MINIMUM AND 0.00925 INCHES MINIMUM AND 0.01075 INCHES MAXIMUM0.01075 INCHES MAXIMUM IN |
| Material | STEEL COMP 1050 OVERALL |
| Hole Diameter | 0.156 INCHES MINIMUM AND 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM0.166 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 |
|---|---|
| 3502-07-01STLCADPL | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| 310-0552-000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-039-7449 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-039-7449: Overall Height: 0.047 INCHES MINIMUM AND 0.047 INCHES MINIMUM AND 0.067 INCHES MAXIMUM0.067 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM50.0 ROCKWELL C MAXIMUM; Material Document and Classification: SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.297 INCHES MINIMUM AND 0.297 INCHES MINIMUM AND 0.307 INCHES MAXIMUM0.307 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.