The Screw,close Tolerance, cataloged under National Stock Number 5305-01-608-3916, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-608-3916 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Fastener Length | 0.83 INCHES MINIMUM AND 0.86 INCHES MAXIMUM IN |
| Thread Length | 0.345 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.50 INCHES NOMINAL IN |
| Grip Diameter | 0.1885 INCHES MINIMUM IN |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN |
| 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 |
|---|---|
| BACB30LK3K8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-608-3916 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-669-4421. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-608-3916: Head Height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Fastener Length: 0.83 INCHES MINIMUM AND 0.86 INCHES MAXIMUM IN; Thread Length: 0.345 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN. 14 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.