The Thumbscrew, cataloged under National Stock Number 5305-00-239-7796, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-239-7796 |
| Primary Part Number | 7239550P001 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Head Height | 0.280 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Fastener Length | 0.280 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Thread Length | 0.218 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 7239550P001 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
NSN 5305-00-239-7796 is a Thumbscrew, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-239-7796 has 1 manufacturer part number on file: 7239550P001 (Lockheed Martin Corporation Div Rms).
Key specifications for 7239550P001: Head Height: 0.280 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN; Fastener Length: 0.280 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Thread Length: 0.218 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Material Document and Classification: ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL. 13 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.