The Thumbscrew, cataloged under National Stock Number 5305-00-286-8992, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-00-286-8992 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Point Diameter | 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Head Height | 0.188 INCHES NOMINAL IN |
| Point Length | 0.281 INCHES NOMINAL IN |
| Fastener Length | 0.719 INCHES NOMINAL IN |
| Thread Length | 0.328 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN |
| Point Chamfer Angle | 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.312 INCHES NOMINAL IN |
| 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 |
|---|---|
| 06910 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-00-286-8992 is a Thumbscrew, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5331-00-492-2762. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-00-286-8992: Point Diameter: 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN; Head Height: 0.188 INCHES NOMINAL IN; Point Length: 0.281 INCHES NOMINAL IN; Fastener Length: 0.719 INCHES NOMINAL IN. 15 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.