The Bolt,square Neck, cataloged under National Stock Number 5306-00-207-4660, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-207-4660 |
| Primary Part Number | FFB571ANDTYPEC2 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL OVERALL |
| Thread Quantity Per Inch | 11 |
| Head Diameter | 1.313 INCHES NOMINAL IN |
| Neck Length | 0.406 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | C2 TYPE |
| Minimum Tensile Strength | 48000 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Thread Length | 1.750 INCHES MINIMUM IN |
| Head Style | BUTTON |
| Features Provided | SQUARE NUT |
| Material Document and Classification | FF-8-571 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Height | 0.313 INCHES NOMINAL IN |
| Neck Width | 0.625 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Fastener Length | 10.000 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFB571ANDTYPEC2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| FFB571 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5306-00-207-4660 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: cancelled.
NSN 5306-00-207-4660 has 2 cross-referenced part numbers: FFB571ANDTYPEC2 (Federal Specifications Promulgated by General Services Administration Washington DC), FFB571 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 2 known substitutes for 5306-00-207-4660: 5306-00-292-6301, 5306-00-582-5952. Verify interchangeability with system specifications before substitution.
Key specifications for FFB571ANDTYPEC2: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material: STEEL OVERALL; Thread Quantity Per Inch: 11; Head Diameter: 1.313 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-207-4660 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.