The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-187-7945, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-187-7945 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Fastener Length | 0.158 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.158 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Material Document and Classification | NAS 498 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PATCH THREADS |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 0.205 INCHES MINIMUM AND 0.219 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 |
|---|---|
| BACS12BG04B3 | 5/9 Secondary reference U.S. Government activity |
| BACS12BG048BP3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-187-7945 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-187-7945: Head Height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Fastener Length: 0.158 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.158 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN. 16 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.