The Bolt,machine, cataloged under National Stock Number 5306-00-227-0610, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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 | 5306-00-227-0610 |
| Primary Part Number | MILB857 |
| 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 |
| Head Style | HEXAGON |
| Width Between Flats | 1.269 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Features Provided | FINISHED HEAD |
| Thread Length | 2.000 INCHES MINIMUM IN |
| Material | STEEL OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Fastener Length | 2.250 INCHES NOMINAL IN |
| Hardness Rating | 22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Minimum Tensile Strength | 115000 POUNDS PER SQUARE INCH LBS |
| Nondefinitive Spec/std Data | 2 TYPE AND 10P STYLE AND 5 GRADE |
| Thread Class | 2A A |
| Head Height | 0.547 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 9 |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-043-4568 (H2212PC9) |
| HAZMAT | No |
NSN 5306-00-227-0610 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 5306-00-227-0610 has 2 cross-referenced part numbers: MILB857 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FF-S-85 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5306-00-227-0610: 5306-00-043-4568, 5306-00-054-8282, 5306-00-068-0373 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILB857: Head Style: HEXAGON; Width Between Flats: 1.269 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.875 INCHES IN; Features Provided: FINISHED HEAD. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-227-0610 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.