The Washer,spring Tension, cataloged under National Stock Number 5310-00-480-2092, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hubbard M D Spring Co Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-480-2092 |
| Primary Part Number | B0W25KS8 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hubbard M D Spring Co Inc |
| Status | ACTIVE |
| Outside Diameter | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Material Thickness | 0.007 INCHES MINIMUM AND 0.009 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.275 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 |
| Part Number | Manufacturer |
|---|---|
| B0W25KS8 | Hubbard M D Spring Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 310540 | 7/2 Vendor item drawing reference Alliant Techsystems Operations Llc Div Defense Electronic Systems |
| 3502-14-14 | 3/9 Design control — primary reference Itw Shakeproof Automotive Products |
| 310540 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-480-2092 is a Washer,spring Tension, manufactured by Hubbard M D Spring Co Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-480-2092 has 1 manufacturer part number on file: B0W25KS8 (Hubbard M D Spring Co Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-300-6720, 6515-01-516-1697. Verify interchangeability with system specifications before substitution.
Key specifications for B0W25KS8: Overall Height: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN; Outside Diameter: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN; Material Thickness: 0.007 INCHES MINIMUM AND 0.009 INCHES MAXIMUM IN; Material: STEEL OVERALL. 4 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.