The Setscrew, cataloged under National Stock Number 5305-00-844-8646, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ozark Aeroworks Llc. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-844-8646 |
| Primary Part Number | 1-160-434-01 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ozark Aeroworks Llc |
| Status | ACTIVE |
| Point Diameter | 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Width Across Flats | 0.1562 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN |
| Point Length | 0.200 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Fastener Length | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 5070 ASSN STD 1ST TREATMENT RESPONSE OR AMS 2481 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Hardness Rating | 42.0 ROCKWELL A MINIMUM AND 62.0 ROCKWELL A MAXIMUM OVERALL |
| Material Document and Classification | AMS 5070 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 45.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CHAMFER DOG |
| Surface Treatment | PHOSPHATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 1022 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 1-160-434-01 PRIMARY | Ozark Aeroworks Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-160-434-01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-00-844-8646 is a Setscrew, manufactured by Ozark Aeroworks Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-844-8646 has 1 manufacturer part number on file: 1-160-434-01 (Ozark Aeroworks Llc).
Key specifications for 1-160-434-01: Point Diameter: 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN; Width Across Flats: 0.1562 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN; Point Length: 0.200 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; Fastener Length: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN. 19 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.