The Screw,machine, cataloged under National Stock Number 5305-00-637-1121, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-637-1121 |
| Primary Part Number | MS35231-76 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Minimum Tensile Strength | 57000 POUNDS PER SQUARE INCH LBS |
| Screw Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Height | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Head Style | PAN |
| Thread Class | 2A A |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Screw Material | COPPER ALLOY |
| Head Diameter | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Fastener Length | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.212 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS35231-76 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| FFS92ANDTYPE3ANDSTYLE9C | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS35214-66 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-00-637-1121 is a Screw,machine, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-637-1121 has 3 cross-referenced part numbers: MS35231-76 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FFS92ANDTYPE3ANDSTYLE9C (Federal Specifications Promulgated by General Services Administration Washington DC), MS35214-66 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 5 known substitutes for 5305-00-637-1121: 5305-00-206-2220, 5305-00-637-1103, 5305-00-637-1120 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS35231-76: Minimum Tensile Strength: 57000 POUNDS PER SQUARE INCH LBS; Screw Material Document and Classification: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE; Nominal Thread Diameter: 0.250 INCHES IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-637-1121 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.