The Washer,spring Tension, cataloged under National Stock Number 5310-00-528-1557, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-528-1557 |
| Primary Part Number | 202587 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Outside Diameter | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Material Thickness | 0.180 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.381 INCHES MINIMUM AND 0.401 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 |
|---|---|
| 202587 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 202587 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| 202587 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 5310-00-528-1557 is a Washer,spring Tension, manufactured by General Motors Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-528-1557 has 1 manufacturer part number on file: 202587 (General Motors Corp).
3 possible matches (shared part number, not a government interchangeability claim): 5340-00-625-7602, 5340-00-698-6974, 5930-01-627-6386. Verify interchangeability with system specifications before substitution.
Key specifications for 202587: Overall Height: 0.211 INCHES NOMINAL IN; Outside Diameter: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN; Material Thickness: 0.180 INCHES NOMINAL 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.