The Setscrew, cataloged under National Stock Number 5305-01-281-4329, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-281-4329 |
| Primary Part Number | 5944399 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Locking Feature | PELLET THREADS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | COPPER ALLOY 464 FASTENER |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 5944399 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5305-01-281-4329 is a Setscrew, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-281-4329 has 1 manufacturer part number on file: 5944399 (Naval Sea Systems Command).
Key specifications for 5944399: Fastener Length: 0.375 INCHES NOMINAL IN; Material Document and Classification: QQ-B-637 FED SPEC SINGLE MATERIAL RESPONSE FASTENER; Nominal Thread Diameter: 0.190 INCHES IN; Head Style: HEADLESS (SETSCREW). 12 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.