The Washer,lock, cataloged under National Stock Number 5310-01-456-9744, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bren-Tronics Defense Llc. Government technical data includes 2 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 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 | 5310-01-456-9744 |
| Primary Part Number | 570130 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bren-Tronics Defense Llc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.168 INCHES MINIMUM AND 0.175 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 |
|---|---|
| 570130 PRIMARY | Bren-Tronics Defense Llc (USA) |
NSN 5310-01-456-9744 is a Washer,lock, manufactured by Bren-Tronics Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-456-9744 has 1 manufacturer part number on file: 570130 (Bren-Tronics Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 2610-01-559-4813. Verify interchangeability with system specifications before substitution.
Key specifications for 570130: Material: STEEL CORROSION RESISTING OVERALL; Hole Diameter: 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN. 2 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.