The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-669-6441, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-669-6441 |
| Primary Part Number | LKS-832-2MD |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Width Across Flats | 0.343 INCHES NOMINAL IN |
| Temp Rating | 400.0 FAHRENHEIT NOMINAL DEGF |
| Locking Feature | SELF-LOCKING |
| Nut Height | 0.229 INCHES NOMINAL IN |
| Nut Style | INTERNAL OR EXTERNAL WRENCHING HEXAGON |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| LKS-832-2MD PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| 6012419 | D/9 Drawing number reference only Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| 6012419-002 | 7/2 Vendor item drawing reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
NSN 5310-01-669-6441 is a Nut,self-Locking,hexagon, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-669-6441 has 1 manufacturer part number on file: LKS-832-2MD (Penn Engineering & Manufacturing Corp).
Key specifications for LKS-832-2MD: Width Across Flats: 0.343 INCHES NOMINAL IN; Temp Rating: 400.0 FAHRENHEIT NOMINAL DEGF; Locking Feature: SELF-LOCKING; Nut Height: 0.229 INCHES NOMINAL IN. 6 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.