The Washer,lock, cataloged under National Stock Number 5310-01-151-4136, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Electric Co Motor Business Group. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-151-4136 |
| Primary Part Number | N405P12B11 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Electric Co Motor Business Group |
| Status | ACTIVE |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.575 INCHES MAXIMUM IN |
| Material Thickness | 0.056 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| Color | OLIVE DRAB OVERALL |
| Surface Treatment | ZINC AND DICHROMATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.319 INCHES MINIMUM AND 0.333 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 |
|---|---|
| N405P12B11 PRIMARY | General Electric Co Motor Business Group (USA) |
| Reference | Meaning |
|---|---|
| 5310PL0676638 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-151-4136 is a Washer,lock, manufactured by General Electric Co Motor Business Group, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-151-4136 has 1 manufacturer part number on file: N405P12B11 (General Electric Co Motor Business Group).
Key specifications for N405P12B11: Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.575 INCHES MAXIMUM IN; Material Thickness: 0.056 INCHES MINIMUM AND 0.066 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.