AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Stud Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5307 Studs |
| National Item Identification Number (NIIN) | 01-045-0208 (010450208) |
| NCB Code | USA (01) |
| Manufacturer | Alcoa Fastening Systems Ltd, Allison Transmission Inc, Alcoa Global Fasteners Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A NUT THREAD |
| AAJD | THREAD CLASS | 3A STUD THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| AASA | THREAD LENGTH | 0.322 INCHES NOMINAL NUT THREAD |
| AASA | THREAD LENGTH | 0.440 INCHES MINIMUM STUD THREAD AND 0.480 INCHES MAXIMUM STUD THREAD |
| ABHP | OVERALL LENGTH | 0.812 INCHES NOMINAL |
| ADCZ | LENGTH OF RECESSED PORTION OF SHANK | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| ADDA | DIAMETER OF RECESSED PORTION OF SHANK | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 24 STUD THREAD |
| CMLP | THREAD QUANTITY PER INCH | 32 NUT THREAD |
| CQFM | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.190 INCHES NUT THREAD |
| CQJX | NOMINAL THREAD SIZE | 0.190 INCHES STUD THREAD |
| FEAT | SPECIAL FEATURES | LOCKING KEY,STEEL AMS5688,0.250 IN. LG,0.070 IN. H,LOCATED OVER PORTION OF RECESS |
| MATT | MATERIAL | STEEL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| THSD | THREAD SERIES DESIGNATOR | UNJC STUD THREAD |
| THSD | THREAD SERIES DESIGNATOR | UNJF NUT THREAD |
| Relevant Components for NSN - 5307-01-045-0208, 5307010450208 | ||||
| 5355-00-582-7370 (5355005827370) | 5340-01-492-4288 (5340014924288) | 5340-00-523-3711 (5340005233711) | 5330-01-275-9444 (5330012759444) | |
| 5340-01-238-2053 (5340012382053) | 5365-01-693-2245 (5365016932245) | 5331-01-258-8240 (5331012588240) | 5365-01-672-1629 (5365016721629) | |
| 5365-01-432-4280 (5365014324280) | 5365-01-654-1906 (5365016541906) | 5340-01-451-0804 (5340014510804) | 5340-01-489-6012 (5340014896012) | |
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