The Screw,machine, cataloged under National Stock Number 5305-00-685-4309, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-685-4309 |
| Primary Part Number | 343-0172-000 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | CANCELLED |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Screw Material | STEEL CORROSION RESISTING |
| Fastener Length | 0.562 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Length | 0.562 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | PAN NO. 2 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Head Height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Screw Surface Treatment | PASSIVATE |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| P343-0172-00 | Allied Products Corp Pheoll Mfg Co Div (USA) |
| 8914387-14 | Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA) |
| 639122-350 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| 343-0172-000 | Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA) |
| 343-0172-000 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| P343-0172-000 | Allied Products Corp Pheoll Mfg Co Div (USA) |
| 639122-350 | Stromberg-Carlson Corp a Plessey Telecommunications Co (USA) |
NSN 5305-00-685-4309 is a Screw,machine, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-685-4309 has 7 cross-referenced part numbers: P343-0172-00 (Allied Products Corp Pheoll Mfg Co Div), 8914387-14 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 639122-350 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 343-0172-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 343-0172-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems) and 2 more.
There is 1 known substitute for 5305-00-685-4309: 5305-00-411-0683. Verify interchangeability with system specifications before substitution.
Key specifications for 343-0172-000: Head Diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Screw Material: STEEL CORROSION RESISTING; Fastener Length: 0.562 INCHES NOMINAL IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-685-4309 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.