The Screw,machine, cataloged under National Stock Number 5305-00-121-8091, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Librascope Corporation. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-121-8091 |
| Primary Part Number | L320-002-526 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Head Height | 0.122 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN |
| Fastener Length | 2.458 INCHES MINIMUM AND 2.478 INCHES MAXIMUM IN |
| Thread Length | 0.320 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 416 |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.245 INCHES MINIMUM AND 0.246 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 |
|---|---|
| L320-002-526 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| 2042024-6 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-00-121-8091 is a Screw,machine, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-121-8091 has 2 manufacturer part numbers on file: L320-002-526 (Lockheed Martin Librascope Corporation), 2042024-6 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for L320-002-526: Head Height: 0.122 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN; Fastener Length: 2.458 INCHES MINIMUM AND 2.478 INCHES MAXIMUM IN; Thread Length: 0.320 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.138 INCHES IN. 12 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.