The Washer,spring Tension, cataloged under National Stock Number 5310-00-595-7540, 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6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-595-7540 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Features Provided | CASEHARDENED |
| Material Thickness | 0.0130 INCHES MINIMUM AND 0.0170 INCHES MAXIMUM IN |
| Material | STEEL COMP 1085 OVERALL |
| Hole Diameter | 0.126 INCHES MINIMUM AND 0.131 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 |
|---|---|
| 611383 | 3/9 Design control — primary reference Bell and Howell Phillipsburg Co Corporate Offices |
NSN 5310-00-595-7540 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3120-00-662-2798. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-595-7540: Overall Height: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN; Features Provided: CASEHARDENED. 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.