The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-021-2476, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sje Inc. Dba San Juan Engineering & Mfg Co. Government technical data includes 13 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 | 5305-00-021-2476 |
| Primary Part Number | CS653A22 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sje Inc. Dba San Juan Engineering & Mfg Co |
| Status | ACTIVE |
| Head Height | 0.203 INCHES NOMINAL IN |
| Fastener Length | 2.296 INCHES NOMINAL IN |
| Thread Length | 1.046 INCHES NOMINAL IN |
| Hardness Rating | 87.0 ROCKWELL B NOMINAL OVERALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.557 INCHES MINIMUM AND 0.558 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1018 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 |
|---|---|
| CS653A22 PRIMARY | Sje Inc. Dba San Juan Engineering & Mfg Co (USA) |
NSN 5305-00-021-2476 is a Screw,cap,hexagon Head, manufactured by Sje Inc. Dba San Juan Engineering & Mfg Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-021-2476 has 1 manufacturer part number on file: CS653A22 (Sje Inc. Dba San Juan Engineering & Mfg Co).
Key specifications for CS653A22: Head Height: 0.203 INCHES NOMINAL IN; Fastener Length: 2.296 INCHES NOMINAL IN; Thread Length: 1.046 INCHES NOMINAL IN; Hardness Rating: 87.0 ROCKWELL B NOMINAL OVERALL. 13 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.