The Washer,lock, cataloged under National Stock Number 5310-01-059-1969, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-059-1969 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM43.0 ROCKWELL C MAXIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.131 INCHES NOMINAL0.131 INCHES NOMINAL IN |
| Material Thickness | 0.015 INCHES MINIMUM AND 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM0.021 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.061 INCHES MINIMUM AND 0.061 INCHES MINIMUM AND 0.071 INCHES MAXIMUM0.071 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 |
|---|---|
| N406P1 | 3/9 Design control — primary reference General Electric Co Materials Information Services |
| N406P1 | 5/2 Secondary reference U.S. Government activity |
| N406P1 | 5/9 Secondary reference General Electric Company |
NSN 5310-01-059-1969 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-059-1969: Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM43.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.131 INCHES NOMINAL0.131 INCHES NOMINAL IN; Material Thickness: 0.015 INCHES MINIMUM AND 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM0.021 INCHES MAXIMUM IN. 7 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.