The Thumbscrew, cataloged under National Stock Number 5305-00-232-2849, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 19 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 | 5305-00-232-2849 |
| Primary Part Number | 132711-1 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Head Height | 0.560 INCHES NOMINAL IN |
| Fastener Length | 2.380 INCHES NOMINAL IN |
| Shoulder Length | 2.000 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.342 INCHES MINIMUM AND 0.343 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.309 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5000 COND E MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 1.380 INCHES NOMINAL 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 |
|---|---|
| 132711-1 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 5305-00-232-2849 is a Thumbscrew, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-232-2849 has 1 manufacturer part number on file: 132711-1 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 132711-1: Head Height: 0.560 INCHES NOMINAL IN; Fastener Length: 2.380 INCHES NOMINAL IN; Shoulder Length: 2.000 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.