The Bolt,machine, cataloged under National Stock Number 5306-00-281-8859, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 16 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-281-8859 |
| Primary Part Number | FFB571ANDCLASSC |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Fastener Length | 3.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.500 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES MINIMUM IN |
| Features Provided | FINISHED HEAD |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Head Height | 0.205 INCHES NOMINAL IN |
| Minimum Tensile Strength | 48000 POUNDS PER SQUARE INCH LBS |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nondefinitive Spec/std Data | C CLASS |
| Head Style | HEXAGON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFB571ANDCLASSC | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 65-5-34 | Air Force Standard |
NSN 5306-00-281-8859 is a Bolt,machine, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-281-8859 has 2 cross-referenced part numbers: FFB571ANDCLASSC (Federal Specifications Promulgated by General Services Administration Washington DC), 65-5-34 (Air Force Standard).
There are 6 known substitutes for 5306-00-281-8859: 5306-00-282-4269, 5120-00-496-6989, 4730-00-757-2910 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFB571ANDCLASSC: Fastener Length: 3.500 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Grip Length: 2.500 INCHES NOMINAL IN; Thread Length: 1.000 INCHES MINIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.