The Screw,close Tolerance, cataloged under National Stock Number 5305-01-573-1111, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-573-1111 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 5.291 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II.CLASS 2 WITH DULL BLACK CHROMATE TREATMENT FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.666 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.615 INCHES MINIMUM AND 4.635 INCHES MAXIMUM IN |
| Grip Diameter | 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN |
| Color | BLACK OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | CROSS RECESS TYPE III |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 1.406 INCHES MINIMUM AND 1.531 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 |
|---|---|
| NAS7412BD74 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-573-1111 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-573-1111: Fastener Length: 5.291 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE II.CLASS 2 WITH DULL BLACK CHROMATE TREATMENT FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.666 INCHES NOMINAL IN; Material Document and Classification: MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 18 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.