The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-464-0531, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Clamshell Structures, Inc. Government technical data includes 2 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 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 | 5310-01-464-0531 |
| Primary Part Number | 503429 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Clamshell Structures, Inc |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Material | PLASTIC 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 |
|---|---|
| 503429 PRIMARY | Clamshell Structures, Inc (USA) |
NSN 5310-01-464-0531 is a Nut,self-Locking,hexagon, manufactured by Clamshell Structures, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-464-0531 has 1 manufacturer part number on file: 503429 (Clamshell Structures, Inc).
1 possible match (shared part number, not a government interchangeability claim): 6520-01-642-2309. Verify interchangeability with system specifications before substitution.
Key specifications for 503429: Width Across Flats: 0.375 INCHES NOMINAL IN; End Item Identification: 5410-01-463-2855; Material: PLASTIC OVERALL. 2 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.