The Bolt,machine, cataloged under National Stock Number 5306-00-227-0931, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-227-0931 |
| Primary Part Number | MILB857A |
| 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 | ACTIVE |
| Width Between Flats | 0.906 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Length | 1.5000 INCHES MAXIMUM IN |
| Head Height | 0.391 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 2 TYPE |
| Material | STEEL COMP 410 OR STEEL COMP 416 OVERALL |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Departure From Cited Document | AS MODIFIED BY MATERIAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Grip Length | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Quantity Per Inch | 11 |
| Features Provided | FINISHED HEAD |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Acquisition Status | ACTIVE |
| Successor | 5306-00-174-9510 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILB857A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-S-1222 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-DTL-1222 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2155639-1 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5306-00-227-0931 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: active.
NSN 5306-00-227-0931 has 4 cross-referenced part numbers: MILB857A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2155639-1 (Zf Industrieantriebe Witten Gmbh).
There are 12 known substitutes for 5306-00-227-0931: 5306-00-174-9510, 5306-00-227-0582, 5306-00-227-0601 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILB857A: Width Between Flats: 0.906 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN; Thread Class: 2A A; Thread Length: 1.5000 INCHES MAXIMUM IN; Head Height: 0.391 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.