The Washer,lock, cataloged under National Stock Number 5310-00-882-4049, 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8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-882-4049 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Hardness Rating | 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Style Designator | FLAT INTERNAL TEETH |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.595 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN |
| Features Provided | CASEHARDENED |
| Material Thickness | 0.022 INCHES NOMINAL IN |
| Material | STEEL COMP 1050 OVERALL |
| Hole Diameter | 0.377 INCHES MINIMUM AND 0.391 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 |
|---|---|
| 1220-15-00-0542 | 3/9 Design control — primary reference Itw Shakeproof Automotive Products |
| 1220-15-00-0542JG | 5/9 Secondary reference Itw Shakeproof Automotive Products |
NSN 5310-00-882-4049 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-882-4049: Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM; Style Designator: FLAT INTERNAL TEETH; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.595 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN. 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.