The Bolt,machine, cataloged under National Stock Number 5306-00-660-2775, 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: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-660-2775 |
| 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 | ACTIVE |
| Thread Length | 1.250 INCHES MINIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment Document and Classification | QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Thread Class | 2A A |
| Width Between Flats | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | UNFINISHED HEAD |
| Head Height | 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Fastener Length | 3.250 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 13 |
| Material Document and Classification | FF-B-575,GR 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 GRADE |
| Thread Direction | RIGHT-HAND |
| Head Style | SQUARE |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Surface Treatment | ZINC OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFB575TYPE1GRADE1 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5306-00-660-2775 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 5306-00-660-2775 has 1 cross-referenced part number: FFB575TYPE1GRADE1 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5306-00-660-2775: 5306-00-425-0607, 5306-00-550-0721, 5306-00-550-3109 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FFB575TYPE1GRADE1: Thread Length: 1.250 INCHES MINIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Surface Treatment Document and Classification: QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL OVERALL. 18 total characteristics are documented in the Federal Logistics Information System.