The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-415-0641, 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 13 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 | 5305-01-415-0641 |
| Primary Part Number | T320013763 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.125 INCHES NOMINAL IN |
| Head Height | 0.091 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN |
| Fastener Length | 0.380 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 302 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.347 INCHES MINIMUM AND 0.361 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 |
|---|---|
| T320013763 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| 3179571-63 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-01-415-0641 is a Screw,cap,socket Head, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-415-0641 has 2 manufacturer part numbers on file: T320013763 (Lockheed Martin Librascope Corporation), 3179571-63 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for T320013763: Width Across Flats: 0.125 INCHES NOMINAL IN; Head Height: 0.091 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN; Fastener Length: 0.380 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE 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.