The Washer,key, cataloged under National Stock Number 5310-00-587-5337, 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8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-587-5337 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Wire Hole Diameter | 0.0625 INCHES NOMINAL IN |
| Internal Prebent Key Width | 0.036 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Style Designator | INTERNAL PREBENT KEY |
| Material Document and Classification | FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.530 INCHES NOMINAL IN |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OVERALL |
| Hole Diameter | 0.320 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 |
|---|---|
| CV15-608500-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-587-5337 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-587-5337: Wire Hole Diameter: 0.0625 INCHES NOMINAL IN; Internal Prebent Key Width: 0.036 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN; Style Designator: INTERNAL PREBENT KEY; Material Document and Classification: FED STD 66 FED STD ALL MATERIAL RESPONSES 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.