The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-735-6470, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-735-6470 |
| Primary Part Number | 77221 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fastenal Company |
| Status | ACTIVE |
| Head Height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| Fastener Length | 4.5 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.50 INCHES IN |
| Head Style | HEXAGON |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 316 OVERALL |
| Head Diameter | 0.75 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 |
|---|---|
| 77221 PRIMARY | Fastenal Company (USA) |
NSN 5305-01-735-6470 is a Screw,cap,hexagon Head, manufactured by Fastenal Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-735-6470 has 1 manufacturer part number on file: 77221 (Fastenal Company).
Key specifications for 77221: Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN; Fastener Length: 4.5 INCHES NOMINAL IN; Nominal Thread Diameter: 0.50 INCHES IN; Head Style: HEXAGON. 8 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.