AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Stud Stepped |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5307 Studs |
| National Item Identification Number (NIIN) | 01-226-9156 (012269156) |
| NCB Code | USA (01) |
| Manufacturer | Aeronautical Standards Group |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A NUT THREAD |
| AAJE | THREAD PITCH DIAMETERS | 0.2870 TO 0.2885 INCHES STUD THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL STUD THREAD |
| AASA | THREAD LENGTH | 0.562 INCHES MINIMUM NUT THREAD |
| AAZE | SHANK DIAMETER | 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 2.344 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 18 STUD THREAD |
| CMLP | THREAD QUANTITY PER INCH | 28 NUT THREAD |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| CQJX | NOMINAL THREAD SIZE | 0.3125 INCHES STUD THREAD |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES NUT THD |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES STUD THD |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES SHANK |
| FEAT | SPECIAL FEATURES | MAGNETIC INSPECTION PER AMS 2640 |
| MATT | MATERIAL | STEEL COMP 8740 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | STEPPED |
| THSD | THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THSD | THREAD SERIES DESIGNATOR | UNS STUD THREAD |
| Relevant Components for NSN - 5307-01-226-9156, 5307012269156 | ||||
| 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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