The Thumbscrew, cataloged under National Stock Number 5305-01-202-6847, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-202-6847 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Point Diameter | 4.80 MILLIMETERS MINIMUM AND 4.92 MILLIMETERS MAXIMUM MM |
| Head Height | 22.0 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 6G G |
| Point Length | 16.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 39.00 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 8.0 |
| Thread Length | 16.5 MILLIMETERS NOMINAL MM |
| Hole Configuration Style | WING |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 45.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 1.25 MILLIMETERS MM |
| Head Style | THUMB NO. 4 |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 34.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | M |
| Hole Diameter | 3.00 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| A3013607-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-202-6847 is a Thumbscrew, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-304-4993. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-202-6847: Point Diameter: 4.80 MILLIMETERS MINIMUM AND 4.92 MILLIMETERS MAXIMUM MM; Head Height: 22.0 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 6G G; Point Length: 16.0 MILLIMETERS NOMINAL MM. 20 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.