The Thumbscrew, cataloged under National Stock Number 5305-01-277-4337, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Brp Us Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-277-4337 |
| Primary Part Number | 315059 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Point Diameter | 0.255 INCHES NOMINAL IN |
| Point Length | 0.075 INCHES NOMINAL IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | SAE 1117 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Point Style | CHAMFER DOG |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 1117 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 |
|---|---|
| 315059 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 315059 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-277-4337 is a Thumbscrew, manufactured by Brp Us Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-277-4337 has 1 manufacturer part number on file: 315059 (Brp Us Inc).
Key specifications for 315059: Point Diameter: 0.255 INCHES NOMINAL IN; Point Length: 0.075 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL IN. 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.