The Thumbscrew, cataloged under National Stock Number 5305-01-022-8972, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Donaldson Company, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-022-8972 |
| Primary Part Number | P01-8464 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Donaldson Company, Inc. |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | WING NO. 4 |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.850 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| P01-8464 PRIMARY | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| P01-8464 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-022-8972 is a Thumbscrew, manufactured by Donaldson Company, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-022-8972 has 1 manufacturer part number on file: P01-8464 (Donaldson Company, Inc.).
Key specifications for P01-8464: Nominal Thread Diameter: 0.375 INCHES IN; Head Style: WING NO. 4; Thread Direction: RIGHT-HAND; Width Between Flats: 1.850 INCHES NOMINAL IN. 7 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.