The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-293-2894, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-293-2894 |
| Primary Part Number | LE114-0032-0006 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 0.577 INCHES MINIMUM IN |
| Width Across Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| Washer Thickness | 0.117 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5639 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5686 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.117 INCHES MINIMUM AND 0.127 INCHES MAXIMUM WASHER IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Counterbore Diameter | 0.409 INCHES MINIMUM AND 0.413 INCHES MAXIMUM WASHER IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 304 OR STEEL COMP 305 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 |
|---|---|
| BH00528M6 | Bristol Industries, Llc (USA) |
| LE114-0032-0006 PRIMARY | Huck International, Inc (USA) |
| LE114-0032-0006 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| KFN669-6 | Huck International, Inc (USA) |
| KFN669-6 | Howmet Global Fastening Systems Inc (USA) |
| KFN669-6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| LE114-0032-0006 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| LE114-0032-0006 PRIMARY | Bristol Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| LE114-0032-0006 | 5/9 Secondary reference U.S. Government activity |
| KFN305DL6 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| LE114-0032-0006 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
| LE114-0032-0006 | 5/9 Secondary reference Hi-Shear Corporation |
NSN 5310-01-293-2894 is a Nut,self-Locking,extended Washer, manufactured by Huck International, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-293-2894 has 8 manufacturer part numbers on file: BH00528M6 (Bristol Industries, Llc), LE114-0032-0006 (Huck International, Inc), LE114-0032-0006 (Howmet Global Fastening Systems Inc), KFN669-6 (Huck International, Inc), KFN669-6 (Howmet Global Fastening Systems Inc) and 3 more.
Key specifications for LE114-0032-0006: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.470 INCHES MAXIMUM IN; Washer Outside Diameter: 0.577 INCHES MINIMUM IN; Width Across Flats: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN. 16 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.