The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-623-1653, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-00-623-1653 |
| Primary Part Number | 1000-14430 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Head Height | 0.391 INCHES NOMINAL IN |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.938 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL 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 |
|---|---|
| 1000-14430 PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 1000-14430 | 5/9 Secondary reference Hercules Engine Co Inc |
| 3235A | 5/9 Secondary reference Hercules Engine Co Inc |
| 1000-12430 | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 5305-00-623-1653 is a Screw,cap,hexagon Head, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-623-1653 has 1 manufacturer part number on file: 1000-14430 (Brinkley Technology Group Llc Dba Hercules Manufacturing).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-332-6134. Verify interchangeability with system specifications before substitution.
Key specifications for 1000-14430: Head Height: 0.391 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL IN; Thread Length: 0.625 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 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.