The Bolt,machine, cataloged under National Stock Number 5306-00-550-5028, 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 5 commercial cross-references from 5 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 | 5306-00-550-5028 |
| Primary Part Number | FFB575 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | CANCELLED |
| Material | STEEL OVERALL |
| Head Style | SQUARE |
| Thread Length | 1.000 INCHES MAXIMUM IN |
| Width Between Flats | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Features Provided | UNFINISHED HEAD |
| Thread Quantity Per Inch | 13 |
| Thread Class | 2A A |
| Head Height | 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Material Document and Classification | FF-B-575,GR 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-019-0882 (190882) |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFB575 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| FF-B-575 TY1 | General Services Administration Federal Supply Service (USA) |
| MS35355-124 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 24-026 | Tennessee Valley Authority (USA) |
| 1-2 13X1IN | Gage Co the (USA) |
NSN 5306-00-550-5028 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 5306-00-550-5028 has 5 cross-referenced part numbers: FFB575 (Federal Specifications Promulgated by General Services Administration Washington DC), FF-B-575 TY1 (General Services Administration Federal Supply Service), MS35355-124 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 24-026 (Tennessee Valley Authority), 1-2 13X1IN (Gage Co the).
There are 12 known substitutes for 5306-00-550-5028: 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 FFB575: Material: STEEL OVERALL; Head Style: SQUARE; Thread Length: 1.000 INCHES MAXIMUM IN; Width Between Flats: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-550-5028 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.