The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-121-2634, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-121-2634 |
| Primary Part Number | 193221 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Head Height | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Thread Length | 1.250 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 14 |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Width Between Flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Minimum Yield Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | WA |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 193221 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 5305-00-121-2634 is a Screw,cap,hexagon Head, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-121-2634 has 1 cross-referenced part number: 193221 (Allison Transmission Inc Dba Allison Transmission, Inc).
There are 2 known substitutes for 5305-00-121-2634: 5305-00-071-1788, 5930-00-967-1921. Verify interchangeability with system specifications before substitution.
Key specifications for 193221: Head Height: 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN; Head Style: HEXAGON; Thread Length: 1.250 INCHES MAXIMUM IN; Material: STEEL OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.