The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-424-3571, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Cummins Inc.. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-424-3571 |
| Primary Part Number | S101A |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Head Height | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Fastener Length | 0.970 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Thread Length | 0.845 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| S101A PRIMARY | Cummins Inc. (USA) |
NSN 5305-00-424-3571 is a Screw,cap,hexagon Head, manufactured by Cummins Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-00-424-3571 has 1 manufacturer part number on file: S101A (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-548-6573. Verify interchangeability with system specifications before substitution.
Key specifications for S101A: Head Height: 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN; Fastener Length: 0.970 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN; Thread Length: 0.845 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.438 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.