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) | 00-427-8659 (004278659) |
| NCB Code | USA (00) |
| Manufacturer | Textron Fastening Systems Ltd, United Technologies Corporation, Turbo Power And Marine System Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.375 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.675 INCHES MINIMUM AND 0.695 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| AASU | HEAD HEIGHT | 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.250 INCHES NOMINAL |
| AATC | EXTENDED WASHER DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM |
| AATN | SHOULDER DIAMETER | 0.195 INCHES MINIMUM FIRST SHOULDER AND 0.196 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.225 INCHES MINIMUM FIRST SHOULDER AND 0.245 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | 175000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM OVERALL AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 115000 POUNDS PER SQUARE INCH |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-00-427-8659, 5306004278659 | ||||
| 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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