The Bolt,machine, cataloged under National Stock Number 5306-00-281-2573, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-281-2573 |
| Primary Part Number | MIL-S-1222 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Head Style | HEXAGON |
| Thread Quantity Per Inch | 16 |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Length | 1.000 INCHES MINIMUM IN |
| Features Provided | FINISHED HEAD |
| Head Height | 0.234 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Fastener Length | 1.375 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL COMP 1035 OVERALL |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-270-9422 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-S-1222 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| X3252 | Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA) |
| MIL-DTL-1222 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5306-00-281-2573 is a Bolt,machine, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-281-2573 has 3 cross-referenced part numbers: MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), X3252 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5306-00-281-2573: 5306-00-227-0582, 5306-00-227-0601, 5306-00-270-9422 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-S-1222: Width Between Flats: 0.562 INCHES NOMINAL IN; Thread Class: 3A A; Head Style: HEXAGON; Thread Quantity Per Inch: 16. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-281-2573 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.