AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-120-0270 (011200270) |
| NCB Code | USA (01) |
| Manufacturer | J W Harris Co Inc, Ms Aerospace Inc, Valley Todeco Inc, General Electric Company, Alcoa Global Fasteners Inc, Sonic Industries Inc, Kaygor Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 4067T57P01 | j w harris co inc | bolt shoulder | RFQ |
| 4067T57P01 | ms aerospace inc | bolt shoulder | RFQ |
| 4067T57P01 | valley todeco inc | bolt shoulder | RFQ |
| 4067T57P01 | general electric company | bolt shoulder | RFQ |
| 4067T57P01 | alcoa global fasteners inc | bolt shoulder | RFQ |
| 4067T57P01 | sonic industries inc | bolt shoulder | RFQ |
| 4067T57P01 | kaygor inc | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| AASU | HEAD HEIGHT | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2654 INCHES MINIMUM FIRST SHOULDER AND 0.2657 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.200 INCHES MINIMUM FIRST SHOULDER AND 0.220 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | 0.2213 TO 0.2238 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | C50TF13 CL-B FSCM 99207 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNS |
| Relevant Components for NSN - 5306-01-120-0270, 5306011200270 | ||||
| 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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