The Setscrew, cataloged under National Stock Number 5305-01-015-5312, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-015-5312 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 2.880 INCHES MINIMUM AND 2.920 INCHES MAXIMUM IN |
| Point Length | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Fastener Length | 7.300 INCHES NOMINAL IN |
| Thread Length | 4.380 INCHES NOMINAL IN |
| Hardness Rating | 33.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 90.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 2.000 INCHES IN |
| Thread Direction | LEFT-HAND |
| Point Style | FLAT |
| Width Between Flats | 1.250 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UN |
| Head Diameter | 1.900 INCHES MINIMUM AND 1.910 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 |
|---|---|
| 25-73612-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-015-5312 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-015-5312: Head Height: 2.880 INCHES MINIMUM AND 2.920 INCHES MAXIMUM IN; Point Length: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Fastener Length: 7.300 INCHES NOMINAL IN; Thread Length: 4.380 INCHES NOMINAL 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.