The Setscrew, cataloged under National Stock Number 5305-01-199-0249, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-199-0249 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.315 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN |
| Fastener Length | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 1.045 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Point Style | CUP |
| Specification/standard Data | 96906-MS51054 GOVERNMENT STANDARD AND 24617-102908 MANUFACTURERS STANDARD |
| Width Between Flats | 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1038 OVERALL |
| 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 |
|---|---|
| 102908 | 5/1 Secondary reference General Motors Corp |
| 102908 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| MS51054-56 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-199-0249 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-199-0249: Head Height: 0.315 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN; Fastener Length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Thread Length: 1.045 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN. 19 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.