The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-003-9166, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-00-003-9166 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN |
| Width Between Flats | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL |
| Reference Number Differentiating Characteristics | MATERIAL MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| 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 |
|---|---|
| 936F975PC93 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5305-00-003-9166 is a Screw,cap,hexagon Head, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5306-00-580-2948. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-00-003-9166: Head Height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN; Width Between Flats: 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: SCREW.CAP,HEXAGON HEAD; Material: NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL. 4 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.