The Setscrew, cataloged under National Stock Number 5305-01-167-1085, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 18 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 | 5305-01-167-1085 |
| Primary Part Number | 70750-22156-102 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Point Diameter | 0.295 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN |
| Width Across Flats | 0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Point Length | 0.250 INCHES NOMINAL IN |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | SS8435 FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 110.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Locking Feature | PATCH OR PELLET OR STRIP THREADS |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 70750-22156-102 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5305-01-167-1085 is a Setscrew, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-167-1085 has 1 manufacturer part number on file: 70750-22156-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70750-22156-102: Point Diameter: 0.295 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN; Width Across Flats: 0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Point Length: 0.250 INCHES NOMINAL IN; Fastener Length: 0.875 INCHES NOMINAL IN. 18 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.