AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Ribbed Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-206-1560 (002061560) |
| NCB Code | USA (00) |
| Manufacturer | Fwd Seagrave Holdings Lp, Allied Signal Inc, Rockwell International Corp, Crane Fluid Systems A Division Of, Eagle Mfg Co Inc, Budd Co The, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 18A70447E | fwd seagrave holdings lp | bolt ribbed shoulder | RFQ |
| 70447 | allied signal inc | bolt ribbed shoulder | RFQ |
| 15X826 | rockwell international corp | bolt ribbed shoulder | RFQ |
| 0BG26746 | crane fluid systems a division of | bolt ribbed shoulder | RFQ |
| 18A70447E | eagle mfg co inc | bolt ribbed shoulder | RFQ |
| 70447E | budd co the | bolt ribbed shoulder | RFQ |
| MS51946-11 | military standards corp | bolt ribbed shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.844 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1.438 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 1.250 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.312 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.840 INCHES MINIMUM FIRST SHOULDER AND 0.845 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.438 INCHES NOMINAL FIRST SHOULDER |
| AAVP | RIB MAJOR DIAMETER | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| AAVQ | RIB LENGTH | 0.250 INCHES NOMINAL |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.125 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | 0.7044 TO 0.7084 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQFM | HARDNESS RATING | 18.0 ROCKWELL C MINIMUM OVERALL AND 28.0 ROCKWELL C MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | 0.707 IN. DIA BY 0.343 IN. WIDE THD RELIEF BETWEEN SHOULDER AND THD |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-206-1560, 5306002061560 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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