The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-381-3830, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Craftech Industries, Inc. Dba Craftech Industries Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-381-3830 |
| Primary Part Number | D165160-60 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Craftech Industries, Inc. Dba Craftech Industries Inc |
| Status | ACTIVE |
| Washer Outside Diameter | 0.360 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Width Across Flats | 0.343 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Washer Thickness | 0.029 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN |
| Material Document and Classification | L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL |
| 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 |
|---|---|
| D165160-60 PRIMARY | Craftech Industries, Inc. Dba Craftech Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 11467624-1 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5310-01-381-3830 is a Nut,self-Locking,extended Washer, manufactured by Craftech Industries, Inc. Dba Craftech Industries Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-381-3830 has 1 manufacturer part number on file: D165160-60 (Craftech Industries, Inc. Dba Craftech Industries Inc).
Key specifications for D165160-60: Overall Height: 0.230 INCHES NOMINAL IN; Washer Outside Diameter: 0.360 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Width Across Flats: 0.343 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 12 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.