The Screw,machine, cataloged under National Stock Number 5305-00-639-8111, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Allclear Repair Services, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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 | 5305-00-639-8111 |
| Primary Part Number | 421502 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Allclear Repair Services, Inc. |
| Status | CANCELLED |
| Head Diameter | 0.217 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Style | ROUND |
| Fastener Length | 0.312 INCHES NOMINAL IN |
| Head Height | 0.083 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Screw Material | STEEL COMP 303 |
| Screw Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Thread Length | 0.262 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 40 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 421502 | Allclear Repair Services, Inc. (USA) |
| 421502 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 421502 | Freedom Airparts Llc (USA) |
| 421502 | General Motors Corp (USA) |
| 421502 | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| 421502 | General Motors Llc Dba General Motors Llc (USA) |
NSN 5305-00-639-8111 is a Screw,machine, manufactured by Allclear Repair Services, Inc., classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-639-8111 has 6 cross-referenced part numbers: 421502 (Allclear Repair Services, Inc.), 421502 (U S Army Tank Automotive Command Amsta-Im-Mm), 421502 (Freedom Airparts Llc), 421502 (General Motors Corp), 421502 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing) and 1 more.
There is 1 known substitute for 5305-00-639-8111: 6685-00-411-6783. Verify interchangeability with system specifications before substitution.
Key specifications for 421502: Head Diameter: 0.217 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Style: ROUND; Fastener Length: 0.312 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-639-8111 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.