The Washer,lock, cataloged under National Stock Number 5310-00-017-8537, 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 7 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-017-8537 |
| Primary Part Number | 56-941-59 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Kurz & Root Generator Company, Llc |
| Status | ACTIVE |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Style Designator | FLAT EXTERNAL AND INTERNAL TEETH |
| Outside Diameter | 0.965 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN |
| Material Thickness | 0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL 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 |
|---|---|
| 0915897 | Agco Corp Parts Opn (USA) |
| 56-941-59 PRIMARY | Kurz & Root Generator Company, Llc (USA) |
| 0915897-3 PRIMARY | Agco Corp Parts Opn (USA) |
| 915897 | Agco Corp Parts Opn (USA) |
| 178537 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| Reference | Meaning |
|---|---|
| 178537 | 5/9 Secondary reference General Motors Corp |
| 178537 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 5310-00-017-8537 is a Washer,lock, manufactured by Kurz & Root Generator Company, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-017-8537 has 5 manufacturer part numbers on file: 0915897 (Agco Corp Parts Opn), 56-941-59 (Kurz & Root Generator Company, Llc), 0915897-3 (Agco Corp Parts Opn), 915897 (Agco Corp Parts Opn), 178537 (Army Weapons Command Attn Amswe-Ree-S).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-510-8408. Verify interchangeability with system specifications before substitution.
Key specifications for 56-941-59: Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Style Designator: FLAT EXTERNAL AND INTERNAL TEETH; Outside Diameter: 0.965 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN; Material Thickness: 0.037 INCHES MINIMUM AND 0.045 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.