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) | 00-480-7442 (004807442) |
| NCB Code | USA (00) |
| Manufacturer | Brighton Cromwell Llc, Necchi Spa, United Technologies Corporation, Turbo Power And Marine System Inc, Alcoa Global Fasteners Inc, Acufast Aircraft Products Inc, Textron Fastening Systems Ltd, John Hassall Inc, Bristol Industries, Mnr Tool Engineering Inc, Ms Aerospace Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 523514 | brighton cromwell llc | bolt shoulder | RFQ |
| 523514 | necchi spa | bolt shoulder | RFQ |
| 523514 | united technologies corporation | bolt shoulder | RFQ |
| 523514 | turbo power and marine system inc | bolt shoulder | RFQ |
| 523514 | alcoa global fasteners inc | bolt shoulder | RFQ |
| 523514 | acufast aircraft products inc | bolt shoulder | RFQ |
| 523514 | textron fastening systems ltd | bolt shoulder | RFQ |
| 523514 | john hassall inc | bolt shoulder | RFQ |
| 523514 | bristol industries | bolt shoulder | RFQ |
| 523514 | mnr tool engineering inc | bolt shoulder | RFQ |
| 523514 | ms aerospace inc | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.365 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| 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 | 0.458 INCHES MINIMUM AND 0.478 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.374 INCHES MINIMUM FIRST SHOULDER AND 0.384 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.175 INCHES MINIMUM FIRST SHOULDER AND 0.185 INCHES MAXIMUM FIRST SHOULDER |
| AAUB | HOLE DIAMETER | 0.070 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASXK | HOLE QUANTITY | 4 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CRHC | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5754 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5306-00-480-7442, 5306004807442 | ||||
| 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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