The Nut,self-Locking,assembled Washe, cataloged under National Stock Number 5310-01-320-8096, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-320-8096 |
| Primary Part Number | LE114-0037-0005 |
| Item Name | Nut,self-Locking,assembled Washe |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 0.580 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN |
| Width Across Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Counterbore Diameter | 0.346 INCHES MINIMUM AND 0.350 INCHES MAXIMUM NUT IN |
| Counterbore Diameter | 0.423 INCHES NOMINAL WASHER IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Style | FLAT WITH TURNED UP EDGE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 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 |
|---|---|
| KFN526DL-5 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| KFN526DL-5 | Huck International, Inc (USA) |
| LE114-0037-0005 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| KFN526DL5 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| KFN526DL-5 | 5/2 Secondary reference U.S. Government activity |
| KFN526DL-5 | 5/9 Secondary reference U.S. Government activity |
| KFN526DL-5 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-320-8096 is a Nut,self-Locking,assembled Washe, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-320-8096 has 4 manufacturer part numbers on file: KFN526DL-5 (Sps Technologies, Llc Dba PB Fasteners), KFN526DL-5 (Huck International, Inc), LE114-0037-0005 (The Boeing Company Div Legacy Am&m), KFN526DL5 (Howmet Global Fastening Systems Inc).
Key specifications for LE114-0037-0005: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.430 INCHES NOMINAL IN; Washer Outside Diameter: 0.580 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN; Width Across Flats: 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN. 15 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.