The Setscrew, cataloged under National Stock Number 5305-01-299-2901, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-299-2901 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Point Diameter | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Width Across Flats | 0.077 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Point Length | 0.037 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN |
| Fastener Length | 0.227 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| Thread Length | 0.190 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Locking Feature | PELLET THREADS |
| Surface Treatment | PASSIVATE FASTENER |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 FASTENER |
| Material | PLASTIC POLYAMIDE NYLON POINT |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 628489 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-299-2901 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-299-2901: Point Diameter: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN; Width Across Flats: 0.077 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Point Length: 0.037 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN; Fastener Length: 0.227 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN. 19 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.