The Bolt,machine, cataloged under National Stock Number 5306-00-660-2750, 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 | 5306-00-660-2750 |
| 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 |
| Material | STEEL OVERALL |
| Head Style | SQUARE |
| Fastener Length | 3.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.476 INCHES NOMINAL IN |
| Width Between Flats | 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Features Provided | UNFINISHED HEAD |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 10 |
| Surface Treatment Document and Classification | QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Length | 1.750 INCHES MINIMUM IN |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Material Document and Classification | FF-B-575,GR 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Surface Treatment | ZINC OVERALL |
| Nondefinitive Spec/std Data | 1 TYPE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFB575TYPE1GRADE1 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5306-00-660-2750 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 5306-00-660-2750 has 1 cross-referenced part number: FFB575TYPE1GRADE1 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5306-00-660-2750: 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: Material: STEEL OVERALL; Head Style: SQUARE; Fastener Length: 3.250 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 18 total characteristics are documented in the Federal Logistics Information System.