The Bolt,machine, cataloged under National Stock Number 5306-00-226-9872, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-226-9872 |
| Primary Part Number | 280450PC294 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Head Height | 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| Fastener Length | 2.312 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.500 INCHES MINIMUM IN |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.000 INCHES NOMINAL IN |
| Width Between Flats | 0.906 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 5 GRADE |
| Surface Treatment | ZINC OVERALL |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 280450PC294 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 12Z24PC325 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 43B18855-260 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
| MS35297-166 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5306-00-226-9872 is a Bolt,machine, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-226-9872 has 3 manufacturer part numbers on file: 280450PC294 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 12Z24PC325 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 43B18855-260 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 280450PC294: Head Height: 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN; Fastener Length: 2.312 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.500 INCHES MINIMUM IN. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.