The Screw,shoulder, cataloged under National Stock Number 5305-01-600-2117, 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 17 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 | 5305-01-600-2117 |
| Primary Part Number | TSF18R112KSSS0P |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Transpec Fasteners, Inc. Dba Transpec Fasteners Inc |
| Status | ACTIVE |
| Width Across Flats | 0.093 INCHES NOMINAL IN |
| Head Height | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Fastener Length | 1.390 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-13924 CLASS4 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.188 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582/A582M-05 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | DEE 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 | 0.312 INCHES NOMINAL 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 |
|---|---|
| TSF18R112KSSS0P PRIMARY | Transpec Fasteners, Inc. Dba Transpec Fasteners Inc (USA) |
NSN 5305-01-600-2117 is a Screw,shoulder, manufactured by Transpec Fasteners, Inc. Dba Transpec Fasteners Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-600-2117 has 1 manufacturer part number on file: TSF18R112KSSS0P (Transpec Fasteners, Inc. Dba Transpec Fasteners Inc).
Key specifications for TSF18R112KSSS0P: Width Across Flats: 0.093 INCHES NOMINAL IN; Head Height: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; Fastener Length: 1.390 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-13924 CLASS4 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 17 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.