The Bolt,machine, cataloged under National Stock Number 5306-00-655-7477, 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 18 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-655-7477 |
| Primary Part Number | FFB575TYPE1GRADE1 |
| Item Name | Bolt,machine |
| 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) |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.500 INCHES MAXIMUM IN |
| Width Between Flats | 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Head Height | 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Features Provided | UNFINISHED HEAD |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Class | 2A A |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Thread Quantity Per Inch | 20 |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | FF-B-575,GR 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment Document and Classification | QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 GRADE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFB575TYPE1GRADE1 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5306-00-655-7477 is a Bolt,machine, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-655-7477 has 1 cross-referenced part number: FFB575TYPE1GRADE1 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5306-00-655-7477: 5306-00-010-9815, 5306-00-425-0607, 5306-00-550-0721 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFB575TYPE1GRADE1: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Style: SQUARE; Thread Direction: RIGHT-HAND; Thread Length: 0.500 INCHES MAXIMUM IN. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-655-7477 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.