The Bolt,square Neck, cataloged under National Stock Number 5306-00-514-8308, 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 17 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-514-8308 |
| Primary Part Number | FFB571ATYPEC2 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Thread Quantity Per Inch | 24 |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Neck Length | 0.188 INCHES NOMINAL IN |
| Material Document and Classification | FF-B-571 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nondefinitive Spec/std Data | C2 TYPE AND C CLASS |
| Minimum Tensile Strength | 48000 POUNDS PER SQUARE INCH LBS |
| Thread Length | 0.375 INCHES MINIMUM IN |
| Neck Width | 0.190 INCHES NOMINAL IN |
| Head Diameter | 0.438 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Thread Class | 2A A |
| Features Provided | SQUARE NUT |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Style | BUTTON |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Height | 0.094 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFB571ATYPEC2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5306-00-514-8308 is a Bolt,square Neck, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-514-8308 has 1 cross-referenced part number: FFB571ATYPEC2 (Federal Specifications Promulgated by General Services Administration Washington DC).
There is 1 known substitute for 5306-00-514-8308: 5306-00-576-6906. Verify interchangeability with system specifications before substitution.
Key specifications for FFB571ATYPEC2: Thread Quantity Per Inch: 24; Fastener Length: 0.625 INCHES NOMINAL IN; Neck Length: 0.188 INCHES NOMINAL IN; Material Document and Classification: FF-B-571 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.