The Setscrew, cataloged under National Stock Number 5305-01-252-0899, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Controls Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-252-0899 |
| Primary Part Number | 478429-02 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bae Systems Controls Inc |
| Status | ACTIVE |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING 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 |
| Part Number | Manufacturer |
|---|---|
| 478429-02 PRIMARY | Bae Systems Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 478429-02 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-252-0899 is a Setscrew, manufactured by Bae Systems Controls Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-252-0899 has 1 manufacturer part number on file: 478429-02 (Bae Systems Controls Inc).
Key specifications for 478429-02: Fastener Length: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: HEADLESS (SETSCREW); Thread Direction: RIGHT-HAND. 10 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.