The Washer,spring Tension, cataloged under National Stock Number 5310-00-930-5287, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-930-5287 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | WK 520002,FSCM 33524 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Heat Treatment | HARD |
| Material Document and Classification | QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.565 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Material Thickness | 0.025 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 301 OVERALL |
| Hole Diameter | 0.270 INCHES NOMINAL 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 |
|---|---|
| 247042 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| 247042 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| 247042 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 5310-00-930-5287 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): 4730-01-048-7874. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-930-5287: Overall Height: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Surface Treatment Document and Classification: WK 520002,FSCM 33524 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Heat Treatment: HARD; Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.