The Setscrew, cataloged under National Stock Number 5305-01-160-0771, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bisco Industries Inc Dba National Precision Products Company Div National Precision Products. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-160-0771 |
| Primary Part Number | SM-C-773929-8 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Bisco Industries Inc Dba National Precision Products Company Div National Precision Products |
| Status | ACTIVE |
| Width Across Flats | 0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-13924 CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CUP |
| Surface Treatment | OXIDE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303 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 |
| Part Number | Manufacturer |
|---|---|
| SM-C-773929-8 PRIMARY | Bisco Industries Inc Dba National Precision Products Company Div National Precision Products (USA) |
| SM-C-773929-8 | Asc International, Inc. Dba Asc International Inc Div Asc International (USA) |
| Reference | Meaning |
|---|---|
| SM-C-773929-8 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5305-01-160-0771 is a Setscrew, manufactured by Bisco Industries Inc Dba National Precision Products Company Div National Precision Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-160-0771 has 2 manufacturer part numbers on file: SM-C-773929-8 (Bisco Industries Inc Dba National Precision Products Company Div National Precision Products), SM-C-773929-8 (Asc International, Inc. Dba Asc International Inc Div Asc International).
Key specifications for SM-C-773929-8: Width Across Flats: 0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN; Fastener Length: 0.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-13924 CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL. 14 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.