The Screw,machine, cataloged under National Stock Number 5305-00-052-6973, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-052-6973 |
| Primary Part Number | 7S34-4A14 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM AND CHROMATE |
| Fastener Length | 1.300 INCHES NOMINAL IN |
| Thread Length | 0.425 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 4130 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORQUE SET |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNF |
| Head Diameter | 0.497 INCHES MINIMUM AND 0.507 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 5305-00-052-6973 is a Screw,machine, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-052-6973 has 3 manufacturer part numbers on file: 7S34-4A14 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 7S34-4A14 (Howmet Global Fastening Systems Inc), 7S34-4A14 (The Boeing Company Div Legacy Am&m).
Key specifications for 7S34-4A14: Screw Surface Treatment: CADMIUM AND CHROMATE; Fastener Length: 1.300 INCHES NOMINAL IN; Thread Length: 0.425 INCHES MINIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN. 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.