The Bolt,machine, cataloged under National Stock Number 5306-00-299-2383, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 5306-00-299-2383 |
| Primary Part Number | 91309A558 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | CANCELLED |
| Minimum Tensile Strength | 69000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 20 |
| Fastener Length | 4.000 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Head Style | HEXAGON |
| Thread Length | 0.750 INCHES MINIMUM IN |
| Head Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Features Provided | FINISHED HEAD |
| Width Between Flats | 0.425 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Nondefinitive Spec/std Data | 2 TYPE AND 2 GRADE |
| Hardness Rating | 100.0 ROCKWELL B NOMINAL OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-010-2484 (102484) |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 91309A558 | Mcmaster-Carr Supply Co (USA) |
| FFB575 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MILB857TYPE2GRADE2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5306-00-299-2383 is a Bolt,machine, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-299-2383 has 3 cross-referenced part numbers: 91309A558 (Mcmaster-Carr Supply Co), FFB575 (Federal Specifications Promulgated by General Services Administration Washington DC), MILB857TYPE2GRADE2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5306-00-299-2383: 5306-00-010-2484, 5306-00-010-2495, 5306-00-010-9177 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 91309A558: Minimum Tensile Strength: 69000 POUNDS PER SQUARE INCH LBS; Thread Quantity Per Inch: 20; Fastener Length: 4.000 INCHES NOMINAL IN; Thread Class: 2A A. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-299-2383 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.