AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Stud Shouldered |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5307 Studs |
| National Item Identification Number (NIIN) | 00-121-2757 (001212757) |
| NCB Code | USA (00) |
| Manufacturer | Simpson Lawrence Ltd, Outboard Marine Corp, Brp Us Inc, Lewmar Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A NUT THREAD |
| AAJD | THREAD CLASS | 2A STUD THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| AASA | THREAD LENGTH | 0.406 INCHES NOMINAL STUD THREAD |
| AASA | THREAD LENGTH | 0.750 INCHES NOMINAL NUT THREAD |
| AAVK | SHOULDER LENGTH | 0.219 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 1.375 INCHES NOMINAL |
| ADDB | NUT END SHANK LENGTH | 0.125 INCHES NOMINAL |
| AWTQ | DISTANCE ACROSS FLATS | 0.438 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 NUT THREAD |
| CMLP | THREAD QUANTITY PER INCH | 20 STUD THREAD |
| CQFM | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| CTDT | NUT END SHANK DIAMETER | 0.250 INCHES NOMINAL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | STEEL COMP 1038 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | SHOULDERED |
| THSD | THREAD SERIES DESIGNATOR | UNC NUT THREAD |
| THSD | THREAD SERIES DESIGNATOR | UNC STUD THREAD |
| Relevant Components for NSN - 5307-00-121-2757, 5307001212757 | ||||
| 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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