The Washer,lock, cataloged under National Stock Number 5310-01-374-3291, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Laird Technologies, Inc Dba Laird Technologies. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-374-3291 |
| Primary Part Number | 0613007101 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Laird Technologies, Inc Dba Laird Technologies |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-T-10727,TY1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | ASTM B194 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.012 INCHES NOMINAL IN |
| Surface Treatment | TIN OVERALL |
| Material | COPPER ALLOY 172 OVERALL |
| Hole Diameter | 0.270 INCHES NOMINAL 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 |
|---|---|
| 0613007101 PRIMARY | Laird Technologies, Inc Dba Laird Technologies (USA) |
| Reference | Meaning |
|---|---|
| 613-71 | 5/9 Secondary reference Laird Technologies, Inc Dba Laird Technologies |
| 340910 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-374-3291 is a Washer,lock, manufactured by Laird Technologies, Inc Dba Laird Technologies, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-374-3291 has 1 manufacturer part number on file: 0613007101 (Laird Technologies, Inc Dba Laird Technologies).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-649-9955. Verify interchangeability with system specifications before substitution.
Key specifications for 0613007101: Surface Treatment Document and Classification: MIL-T-10727,TY1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: ASTM B194 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material Thickness: 0.012 INCHES NOMINAL IN; Surface Treatment: TIN OVERALL. 6 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.