The Thumbscrew, cataloged under National Stock Number 5305-00-263-3585, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Robert H Wager Co Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-263-3585 |
| Primary Part Number | 954-38 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Robert H Wager Co Inc |
| Status | ACTIVE |
| Head Height | 0.605 INCHES MINIMUM IN |
| Fastener Length | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | THUMB NO. 4 |
| Thread Direction | RIGHT-HAND |
| Point Style | OVAL |
| Width Between Flats | 0.844 INCHES MINIMUM IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 4 STYLE |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 954-38 PRIMARY | Robert H Wager Co Inc (USA) |
| Reference | Meaning |
|---|---|
| FFT305A | 4/1 Identification reference U.S. Government activity |
NSN 5305-00-263-3585 is a Thumbscrew, manufactured by Robert H Wager Co Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-263-3585 has 1 manufacturer part number on file: 954-38 (Robert H Wager Co Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5305-00-263-3586, 5305-00-408-0030, 5310-00-448-1999. Verify interchangeability with system specifications before substitution.
Key specifications for 954-38: Head Height: 0.605 INCHES MINIMUM IN; Fastener Length: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM 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.