The Washer,lock, cataloged under National Stock Number 5310-00-281-3369, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kurz & Root Generator Company, Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-281-3369 |
| Primary Part Number | 56-941-50 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Kurz & Root Generator Company, Llc |
| Status | ACTIVE |
| Style Designator | FLAT EXTERNAL AND INTERNAL TEETH |
| Outside Diameter | 0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN |
| Material Thickness | 0.035 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.320 INCHES MINIMUM AND 0.332 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 |
|---|---|
| 56-941-50 PRIMARY | Kurz & Root Generator Company, Llc (USA) |
| 56-941-46 PRIMARY | Kurz & Root Generator Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 54-941-50 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| MJH-001-55 | 5/9 Secondary reference Mancraft Industries Inc |
| 4018-24-00PH0SPH0RBR0NZE | 5/9 Secondary reference Itw Shakeproof Automotive Products |
NSN 5310-00-281-3369 is a Washer,lock, manufactured by Kurz & Root Generator Company, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-281-3369 has 2 manufacturer part numbers on file: 56-941-50 (Kurz & Root Generator Company, Llc), 56-941-46 (Kurz & Root Generator Company, Llc).
Key specifications for 56-941-50: Style Designator: FLAT EXTERNAL AND INTERNAL TEETH; Outside Diameter: 0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN; Material Thickness: 0.035 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL. 5 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.