The Setscrew, cataloged under National Stock Number 5305-00-522-6954, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-522-6954 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 2.250 INCHES NOMINAL IN |
| Thread Length | 2.250 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-631 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-630 1045 FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | HALF DOG |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 1A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 1045 OR 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 |
| Reference | Meaning |
|---|---|
| 5226954 | 3/9 Design control — primary reference Watertown Arsenal Smiwt-Re |
NSN 5305-00-522-6954 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-522-6954: Fastener Length: 2.250 INCHES NOMINAL IN; Thread Length: 2.250 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-631 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-630 1045 FED SPEC 3RD MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.625 INCHES IN. 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.