The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-577-7639, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-577-7639 |
| Primary Part Number | 03245-05 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Head Height | 0.156 INCHES NOMINAL IN |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 03245-05 PRIMARY | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| 92865A541 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 03245 | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
NSN 5305-01-577-7639 is a Screw,cap,hexagon Head, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-577-7639 has 2 manufacturer part numbers on file: 03245-05 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 92865A541 (Mcmaster-Carr Supply Co).
Key specifications for 03245-05: Head Height: 0.156 INCHES NOMINAL IN; Fastener Length: 0.875 INCHES NOMINAL IN; Thread Length: 0.875 INCHES NOMINAL IN; Hardness Rating: 25.0 ROCKWELL C MINIMUM OVERALL. 14 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.