The Bolt,machine, cataloged under National Stock Number 5306-00-527-4956, 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 6 commercial cross-references from 6 manufacturers, 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 | 5306-00-527-4956 |
| Primary Part Number | FF-B-575 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Head Style | SQUARE |
| Thread Class | 2A A |
| Nondefinitive Spec/std Data | 1 TYPE |
| Surface Treatment Document and Classification | SAE/AMS QQ-P-416 TY2CL3 FED SPEC 1ST TREATMENT RESPONSE OR ASTM 633 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Height | 0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Width Between Flats | 0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Fastener Length | 1.920 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.500 INCHES MINIMUM IN |
| Features Provided | UNFINISHED HEAD |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Thread Quantity Per Inch | 11 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FF-B-575 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 5-8 11X2IN | Gage Co the (USA) |
| FF-B-575 TY1 | General Services Administration Federal Supply Service (USA) |
| MS35355-160 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 24-026 | Tennessee Valley Authority (USA) |
| AMSE-B18.2.1 | The American Society of Mechanical Engineers (USA) |
NSN 5306-00-527-4956 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 5306-00-527-4956 has 6 cross-referenced part numbers: FF-B-575 (Federal Specifications Promulgated by General Services Administration Washington DC), 5-8 11X2IN (Gage Co the), FF-B-575 TY1 (General Services Administration Federal Supply Service), MS35355-160 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 24-026 (Tennessee Valley Authority) and 1 more.
There are 12 known substitutes for 5306-00-527-4956: 5306-00-011-1195, 5306-00-013-1303, 5306-00-018-6682 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FF-B-575: Head Style: SQUARE; Thread Class: 2A A; Nondefinitive Spec/std Data: 1 TYPE; Surface Treatment Document and Classification: SAE/AMS QQ-P-416 TY2CL3 FED SPEC 1ST TREATMENT RESPONSE OR ASTM 633 FED SPEC 2ND TREATMENT RESPONSE OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-527-4956 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.