The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-322-6042, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bek, Inc. Dba Level 1 Fasteners. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-322-6042 |
| Primary Part Number | 218031452 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bek, Inc. Dba Level 1 Fasteners |
| Status | ACTIVE |
| Head Height | 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Fastener Length | 5.500 INCHES NOMINAL IN |
| Thread Length | 2.000 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 9 |
| Material | NICKEL ALLOY K-500 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 |
|---|---|
| 218031452 | Bek, Inc. Dba Level 1 Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 60-01-7428 | 5/9 Secondary reference U.S. Government activity |
| 63-01-7428 | 5/9 Secondary reference U.S. Government activity |
| 218031452 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-322-6042 is a Screw,cap,hexagon Head, manufactured by Bek, Inc. Dba Level 1 Fasteners, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-322-6042 has 1 manufacturer part number on file: 218031452 (Bek, Inc. Dba Level 1 Fasteners).
Key specifications for 218031452: Head Height: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN; Fastener Length: 5.500 INCHES NOMINAL IN; Thread Length: 2.000 INCHES MINIMUM IN; Nominal Thread Diameter: 0.875 INCHES IN. 11 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.