| Item Name | Bolt Ribbed Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-916-6759 (009166759) |
| NCB Code | USA (00) |
| Manufacturer | Rockwell International Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.870 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 3.060 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 1.310 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.310 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.974 INCHES MINIMUM FIRST SHOULDER AND 0.975 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.880 INCHES NOMINAL FIRST SHOULDER |
| AAVP | RIB MAJOR DIAMETER | 1.006 INCHES NOMINAL |
| AAVQ | RIB LENGTH | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.120 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.937 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Components Related to NSN - 5306-00-916-6759, 5306009166759 | ||||
| 5360-00-022-7114 (5360000227114) | 5305-00-151-2996 (5305001512996) | 5306-01-499-1706 (5306014991706) | 5305-01-302-9558 (5305013029558) | |
| 5306-00-310-5804 (5306003105804) | 5330-01-201-8409 (5330012018409) | 5330-01-147-9804 (5330011479804) | 5330-00-122-0607 (5330001220607) | |
| 5340-01-523-2033 (5340015232033) | 5305-01-593-6121 (5305015936121) | 5306-01-648-4086 (5306016484086) | 5305-01-591-9847 (5305015919847) | |
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