AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-557-0511 (015570511) |
| NCB Code | USA (01) |
| Manufacturer | Fastenal Company, Tuthill Corporation, Mil Cots Corporation, General Dynamics Land Systems Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | Special Features | 1/2 INCH - 20 X 5-1/2 INCH GRADE 5 ZINC PLATED HEX CAP SCREW |
| AHYM | Nominal Thread Diameter | 0.500 INCHES |
| AATB | Width Between Flats | 0.750 INCHES MAXIMUM |
| AASK | Head Style | HEXAGON |
| MATT | Material | STEEL OVERALL |
| MRC | Decoded Requirement | Clear Text Reply |
| THSD | Thread Series Designator | UNF |
| AAJF | Thread Direction | RIGHT-HAND |
| CMLP | Thread Quantity Per Inch | 20 |
| AAJD | Thread Class | 2A |
| SFTT | Surface Treatment | ZINC OVERALL |
| AASA | Thread Length | 1.250 INCHES NOMINAL |
| MDCL | Material Document And Classification | SAE J429 GRADE 5 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| AASB | Fastener Length | 5.500 INCHES NOMINAL |
| AASU | Head Height | 0.323 INCHES MAXIMUM |
| Relevant Components for NSN - 5306-01-557-0511, 5306015570511 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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