The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-384-6814, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Motors Corp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-384-6814 |
| Primary Part Number | 186338 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Fastener Length | 5.000 INCHES NOMINAL IN |
| Material Document and Classification | GRADE 5, CAGEC 72915 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-384-6814 is a Screw,cap,hexagon Head, manufactured by General Motors Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-384-6814 has 3 manufacturer part numbers on file: 186338 (Lynn Electronics Llc), 186338 (Triman Industries Inc), 186338 (General Motors Corp).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-558-5727. Verify interchangeability with system specifications before substitution.
Key specifications for 186338: Fastener Length: 5.000 INCHES NOMINAL IN; Material Document and Classification: GRADE 5, CAGEC 72915 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.500 INCHES IN; Head Style: HEXAGON. 9 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.