The Setscrew, cataloged under National Stock Number 5305-00-021-3610, 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18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-021-3610 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Point Diameter | 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Head Height | 0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Point Length | 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Fastener Length | 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.109 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-B-626,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.225 INCHES MINIMUM AND 0.235 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 |
|---|---|
| 57A6083 | 3/2 Design control — primary reference U.S. Government activity |
| 57A6083 | 3/9 Design control — primary reference Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc |
NSN 5305-00-021-3610 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-021-3610: Point Diameter: 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN; Head Height: 0.063 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Point Length: 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Fastener Length: 0.188 INCHES MINIMUM AND 0.250 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.