The Setscrew, cataloged under National Stock Number 5305-01-033-8078, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Kearflex Engineering Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-033-8078 |
| Primary Part Number | HS832-4SSPC |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Kearflex Engineering Company |
| Status | ACTIVE |
| Width Across Flats | 0.078 INCHES NOMINAL IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES MINIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| 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 |
|---|---|
| HS832-4SSPC PRIMARY | Kearflex Engineering Company (USA) |
| Reference | Meaning |
|---|---|
| 10114878 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5305-01-033-8078 is a Setscrew, manufactured by Kearflex Engineering Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-033-8078 has 1 manufacturer part number on file: HS832-4SSPC (Kearflex Engineering Company).
Key specifications for HS832-4SSPC: Width Across Flats: 0.078 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES MINIMUM IN; Thread Direction: RIGHT-HAND. 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.