The Bolt,machine, cataloged under National Stock Number 5306-00-655-5761, 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 18 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: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-655-5761 |
| Primary Part Number | MILS1222 |
| 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 |
| Material Document and Classification | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Quantity Per Inch | 18 |
| Grip Length | 7.875 INCHES NOMINAL IN |
| Fastener Length | 8.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.625 INCHES NOMINAL IN |
| Head Height | 0.312 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Head Style | HEXAGON |
| Features Provided | FINISHED HEAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nondefinitive Spec/std Data | 1 TYPE |
| Thread Length | 0.625 INCHES MINIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| Successor | 5306-00-270-9422 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILS1222 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 214311 | Joy Global Underground Mining Llc (USA) |
| MIL-DTL-1222 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5306-00-655-5761 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 5306-00-655-5761 has 3 cross-referenced part numbers: MILS1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 214311 (Joy Global Underground Mining Llc), 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 5306-00-655-5761: 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 MILS1222: Material Document and Classification: SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment Document and Classification: QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Quantity Per Inch: 18; Grip Length: 7.875 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.