The Bolt,machine, cataloged under National Stock Number 5306-00-299-2385, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 5306-00-299-2385 |
| Primary Part Number | MILB857TYPE2GRADE2 |
| 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 | STEEL OVERALL |
| Surface Treatment | CHROMATE ZINC OVERALL |
| Thread Quantity Per Inch | 18 |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Minimum Tensile Strength | 69000 POUNDS PER SQUARE INCH LBS |
| Width Between Flats | 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Head Height | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Class | 2A A |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.750 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Hardness Rating | 100.0 ROCKWELL B MAXIMUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Features Provided | FINISHED HEAD |
| Nondefinitive Spec/std Data | 2 GRADE AND 2 TYPE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILB857TYPE2GRADE2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5306-00-299-2385 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 5306-00-299-2385 has 1 cross-referenced part number: MILB857TYPE2GRADE2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5306-00-299-2385: 5306-00-174-9458, 5306-00-174-9463, 5306-00-174-9530 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILB857TYPE2GRADE2: Material: STEEL OVERALL; Surface Treatment: CHROMATE ZINC OVERALL; Thread Quantity Per Inch: 18; Fastener Length: 0.750 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.