The Bolt,machine, cataloged under National Stock Number 5306-00-174-0536, 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 22 verified specifications, sourced from the Federal Logistics Information System. 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 government interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-174-0536 |
| 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 | ACTIVE |
| Fastener Length | 0.931 INCHES NOMINAL IN |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Length | 0.650 INCHES MINIMUM IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 5 GRADE |
| Countersink Angle | 60.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Quantity Per Inch | 16 |
| Hole Quantity | 1 |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Hole Configuration Style | HEXAGON FLATS |
| Thread Direction | RIGHT-HAND |
| Hole Type | DRILLED |
| Material Document and Classification | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hole Diameter | 0.094 INCHES MINIMUM IN |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Grip Length | 0.281 INCHES NOMINAL IN |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Head Height | 0.250 INCHES NOMINAL IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON COUNTERSUNK |
| Thread Class | 3A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILB857 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 134972PC4 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 430017PC3 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5306-00-174-0536 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 5306-00-174-0536 has 3 cross-referenced part numbers: MILB857 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 134972PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 430017PC3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 12 known substitutes for 5306-00-174-0536: 5306-00-089-1425, 5306-00-226-4835, 5306-00-226-4839 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILB857: Fastener Length: 0.931 INCHES NOMINAL IN; Minimum Tensile Strength: 120000 POUNDS PER SQUARE INCH LBS; Thread Length: 0.650 INCHES MINIMUM IN; Special Features: 3/32 DIA HOLE DRILLED 0.125 PORM 0.010 IN. FROM TOP OF HEX HEAD PERPEND TO CNTR LINE OF BOLT IN. 23 total characteristics are documented in the Federal Logistics Information System.