The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-385-4560, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-385-4560 |
| Primary Part Number | 40107-2 PIECE 21 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Head Height | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Thread Length | 1.096 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 304 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 |
|---|---|
| 40107-2 PIECE 21 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 5305-01-385-4560 is a Screw,cap,hexagon Head, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-385-4560 has 1 manufacturer part number on file: 40107-2 PIECE 21 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
Key specifications for 40107-2 PIECE 21: Head Height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN; Fastener Length: 1.250 INCHES NOMINAL IN; Thread Length: 1.096 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.500 INCHES IN. 12 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.