| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-208-5164 (012085164) |
| NCB Code | USA (01) |
| Manufacturer | Meggitt Aerospace Ltd, Dunlop Aviation Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | Thread Class | 3A |
| CRZS | Distance From Head Largest Bearing Surface To Shank Hole Center | 1.775 INCHES MAXIMUM FIRST HOLE |
| AASB | Fastener Length | 1.985 INCHES MAXIMUM |
| AASA | Thread Length | 0.480 INCHES MAXIMUM |
| AHYM | Nominal Thread Diameter | 0.375 INCHES |
| CWYB | Shoulder Shape | ROUND FIRST SHOULDER |
| AATB | Width Between Flats | 0.554 INCHES MAXIMUM |
| MATT | Material | STEEL OVERALL |
| AASU | Head Height | 0.135 INCHES NOMINAL |
| THSD | Thread Series Designator | UNJF |
| AATN | Shoulder Diameter | 0.4382 INCHES MINIMUM AND |
| AATX | Shoulder Length | 1.505 INCHES MINIMUM AND |
| SFTT | Surface Treatment | CADMIUM OVERALL |
| AASA | Thread Length | 0.465 INCHES MINIMUM AND |
| AAWB | Shank Unthreaded Hole Diameter | 0.109 INCHES NOMINAL FIRST HOLE |
| AASL | Head Diameter | 0.750 INCHES NOMINAL |
| CRZS | Distance From Head Largest Bearing Surface To Shank Hole Center | 1.770 INCHES MINIMUM AND |
| AASK | Head Style | ROUND W/WRENCH FLATS CHAMFERED |
| AAJF | Thread Direction | RIGHT-HAND |
| AATN | Shoulder Diameter | 0.4387 INCHES MAXIMUM FIRST SHOULDER |
| AATB | Width Between Flats | 0.544 INCHES MINIMUM AND |
| AATX | Shoulder Length | 1.510 INCHES MAXIMUM FIRST SHOULDER |
| CMLP | Thread Quantity Per Inch | 24 |
| AASB | Fastener Length | 1.975 INCHES MINIMUM AND |
| MRC | Decoded Requirement | Clear Text Reply |
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