The Washer,lock, cataloged under National Stock Number 5310-01-073-2952, 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6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-073-2952 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Style Designator | DISHED-INTERNAL TEETH |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.372 INCHES MINIMUM AND 0.372 INCHES MINIMUM AND 0.383 INCHES MAXIMUM0.383 INCHES MAXIMUM IN |
| Material Thickness | 0.021 INCHES MINIMUM AND 0.021 INCHES MINIMUM AND 0.023 INCHES MAXIMUM0.023 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 OVERALL |
| Hole Diameter | 0.195 INCHES MINIMUM AND 0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM0.204 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 |
|---|---|
| SM-A-726075-1 | 3/2 Design control — primary reference U.S. Government activity |
| 4710-06-01-4102 | 3/9 Design control — primary reference Itw Shakeproof Automotive Products |
NSN 5310-01-073-2952 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-073-2952: Style Designator: DISHED-INTERNAL TEETH; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.372 INCHES MINIMUM AND 0.372 INCHES MINIMUM AND 0.383 INCHES MAXIMUM0.383 INCHES MAXIMUM IN; Material Thickness: 0.021 INCHES MINIMUM AND 0.021 INCHES MINIMUM AND 0.023 INCHES MAXIMUM0.023 INCHES MAXIMUM IN. 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.