The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-707-2672, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Tld Ace Corp Div Tld Ace. 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 | 5305-01-707-2672 |
| Primary Part Number | 1077643 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Tld Ace Corp Div Tld Ace |
| Status | ACTIVE |
| Head Height | 0.2031 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Hardness Rating | 70.0 ROCKWELL B NOMINAL OVERALL |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING 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 |
NSN 5305-01-707-2672 is a Screw,cap,hexagon Head, manufactured by Tld Ace Corp Div Tld Ace, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-707-2672 has 2 manufacturer part numbers on file: 92240A578 (Mcmaster-Carr Supply Co), 1077643 (Tld Ace Corp Div Tld Ace).
Key specifications for 1077643: Head Height: 0.2031 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL IN; Hardness Rating: 70.0 ROCKWELL B NOMINAL 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.