The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-314-2393, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-314-2393 |
| Primary Part Number | G625558 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OVERALL |
| Width Across Flats | 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Head Height | 0.180 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN |
| Fastener Length | 0.233 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN |
| Thread Length | 0.171 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-T-9047 TY 3 COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.311 INCHES MINIMUM AND 0.312 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 |
NSN 5305-01-314-2393 is a Screw,cap,socket Head, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-314-2393 has 2 manufacturer part numbers on file: G625558 (Lucent Technologies Inc Corporate Headquarters), G625558 (Hardware Specialty Co Inc).
Key specifications for G625558: Surface Finish: 63.0 MICROINCHES OVERALL; Width Across Flats: 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN; Head Height: 0.180 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Fastener Length: 0.233 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN. 15 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.