The Thumbscrew, cataloged under National Stock Number 5305-00-433-0374, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Saginaw Products Corporation Dba Cignys. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-433-0374 |
| Primary Part Number | AB9098-21 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Saginaw Products Corporation Dba Cignys |
| Status | ACTIVE |
| Head Height | 1.688 INCHES NOMINAL IN |
| Fastener Length | 0.938 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.938 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | THUMB NO. 4 |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 1.062 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | ALUMINUM 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 |
|---|---|
| AB9098-21 | Saginaw Products Corporation Dba Cignys (USA) |
| Reference | Meaning |
|---|---|
| AB9098-21 | 3/9 Design control — primary reference Aer-Bea Co Inc |
NSN 5305-00-433-0374 is a Thumbscrew, manufactured by Saginaw Products Corporation Dba Cignys, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-433-0374 has 1 manufacturer part number on file: AB9098-21 (Saginaw Products Corporation Dba Cignys).
Key specifications for AB9098-21: Head Height: 1.688 INCHES NOMINAL IN; Fastener Length: 0.938 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.938 INCHES MAXIMUM IN. 14 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.