The Bolt,machine, cataloged under National Stock Number 5306-00-226-9876, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-226-9876 |
| Primary Part Number | 280450PC290 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.391 INCHES NOMINAL IN |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Width Between Flats | 0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Thread Length | 1.250 INCHES MINIMUM IN |
| Thread Class | 2A A |
| Nondefinitive Spec/std Data | A CLASS AND B TYPE |
| Thread Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Features Provided | FINISHED HEAD |
| Thread Quantity Per Inch | 11 |
| Grip Length | 0.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| Successor | 5306-00-174-9510 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 280450PC290 PRIMARY | Naval Sea Systems Command (USA) |
| 5/8-11 2ATHD UNC X 1.750 L | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-S-1222 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 280450PC290 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 388748PC9 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 12Z24PC323 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| MILB857A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 43B18855-256 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5306-00-226-9876 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-226-9876 has 8 cross-referenced part numbers: 280450PC290 (Naval Sea Systems Command), 5/8-11 2ATHD UNC X 1.750 L (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 280450PC290 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 388748PC9 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 3 more.
There are 10 known substitutes for 5306-00-226-9876: 5306-00-174-9510, 5306-00-270-9422, 5306-00-299-2369 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 280450PC290: Head Height: 0.391 INCHES NOMINAL IN; Fastener Length: 1.750 INCHES NOMINAL IN; Width Between Flats: 0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN; Surface Treatment: ZINC OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.