The Setscrew, cataloged under National Stock Number 5305-01-056-6572, 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18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-056-6572 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Spline Minor Diameter | 0.051 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Fastener Length | 0.102 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Spline Width | 0.013 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN |
| Thread Length | 0.102 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A582 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| Spline Major Diameter | 0.061 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CUP |
| Locking Feature | STRIP THREADS |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SIX SPLINE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 303 OR STEEL COMP 303SE FASTENER |
| 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 |
| Reference | Meaning |
|---|---|
| 3833197-1 | 5/2 Secondary reference U.S. Government activity |
| 3833197-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-056-6572 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-056-6572: Spline Minor Diameter: 0.051 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Fastener Length: 0.102 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Spline Width: 0.013 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN. 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.