The Screw,shoulder, cataloged under National Stock Number 5305-01-604-5718, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Transpec Fasteners, Inc. Dba Transpec Fasteners Inc. Government technical data includes 20 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 | 5305-01-604-5718 |
| Primary Part Number | TSF18R75KSSSOP |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Transpec Fasteners, Inc. Dba Transpec Fasteners Inc |
| Status | ACTIVE |
| Width Across Flats | 0.094 INCHES NOMINAL IN |
| Head Height | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Fastener Length | 0.946 INCHES MAXIMUM IN |
| Shoulder Length | 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM GRIP IN |
| Surface Treatment Document and Classification | MIL-DTL-13294 CL 4 OR MIL-STD-171 PARA 3.3.4 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.1860 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM GRIP IN |
| Thread Length | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND GRIP |
| Material Document and Classification | ASTM A582/A582M UNS S30300 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.307 INCHES MINIMUM AND 0.317 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 |
| Part Number | Manufacturer |
|---|---|
| TSF18R75KSSSOP PRIMARY | Transpec Fasteners, Inc. Dba Transpec Fasteners Inc (USA) |
NSN 5305-01-604-5718 is a Screw,shoulder, manufactured by Transpec Fasteners, Inc. Dba Transpec Fasteners Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-604-5718 has 1 manufacturer part number on file: TSF18R75KSSSOP (Transpec Fasteners, Inc. Dba Transpec Fasteners Inc).
Key specifications for TSF18R75KSSSOP: Width Across Flats: 0.094 INCHES NOMINAL IN; Head Height: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; Fastener Length: 0.946 INCHES MAXIMUM IN; Shoulder Length: 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM GRIP IN. 20 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.