The Washer,lock, cataloged under National Stock Number 5310-01-249-3713, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-249-3713 |
| Primary Part Number | Y-1072-11-1 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Style Designator | FLAT INTERNAL TEETH |
| Outside Diameter | 0.460 INCHES NOMINAL IN |
| Material Thickness | 0.020 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.228 INCHES MINIMUM AND 0.236 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 |
|---|---|
| Y-1072-11-1 PRIMARY | Breeze-Eastern Llc (USA) |
| Reference | Meaning |
|---|---|
| 10088110 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-249-3713 is a Washer,lock, manufactured by Breeze-Eastern Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-249-3713 has 1 manufacturer part number on file: Y-1072-11-1 (Breeze-Eastern Llc).
1 possible match (shared part number, not a government interchangeability claim): 6665-01-700-5485. Verify interchangeability with system specifications before substitution.
Key specifications for Y-1072-11-1: Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 0.460 INCHES NOMINAL IN; Material Thickness: 0.020 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Material: STEEL 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.