The Screw,machine, cataloged under National Stock Number 5305-01-159-8909, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Muirhead Aerospace Ltd. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-159-8909 |
| Primary Part Number | 44570 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Muirhead Aerospace Ltd |
| Status | ACTIVE |
| Screw Material Document and Classification | BS 970,PT4,FSCM K0062 MFR REF SINGLE MATERIAL RESPONSE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Quantity | 2 |
| Head Hole Configuration Style | HEXAGON FLATS |
| Screw Material | STEEL CORROSION RESISTING |
| Thread Length | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Head Height | 0.080 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Hole Diameter | 0.031 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Quantity Per Inch | 32 |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Width Between Flats | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Fastener Length | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 44570 PRIMARY | Muirhead Aerospace Ltd (GBR) |
NSN 5305-01-159-8909 is a Screw,machine, manufactured by Muirhead Aerospace Ltd, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-159-8909 has 1 cross-referenced part number: 44570 (Muirhead Aerospace Ltd).
There are 5 known substitutes for 5305-01-159-8909: 4710-01-033-0833, 6615-01-238-8656, 7520-01-515-3549 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 44570: Screw Material Document and Classification: BS 970,PT4,FSCM K0062 MFR REF SINGLE MATERIAL RESPONSE; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Hole Quantity: 2; Head Hole Configuration Style: HEXAGON FLATS. 16 total characteristics are documented in the Federal Logistics Information System.