The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-643-9831, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-643-9831 |
| Primary Part Number | 92620A729 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Head Height | 0.344 INCHES NOMINAL IN |
| Fastener Length | 5.000 INCHES NOMINAL IN |
| Thread Length | 5.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 13 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Handle Diameter | 0.500 INCHES NOMINAL 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 |
|---|---|
| 92620A729 | Mcmaster-Carr Supply Co (USA) |
| 92620A729 | Big Bolt, Llc (USA) |
| Reference | Meaning |
|---|---|
| 03376-02 | 3/9 Design control — primary reference Paparchontis, Kathleen M Dba K&d Associates |
| 03376-02 | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
NSN 5305-01-643-9831 is a Screw,cap,hexagon Head, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-643-9831 has 2 manufacturer part numbers on file: 92620A729 (Mcmaster-Carr Supply Co), 92620A729 (Big Bolt, Llc).
Key specifications for 92620A729: Head Height: 0.344 INCHES NOMINAL IN; Fastener Length: 5.000 INCHES NOMINAL IN; Thread Length: 5.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN. 12 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.