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) | 00-967-8172 (009678172) |
| NCB Code | USA (00) |
| Manufacturer | United Technologies Corporation, Pratt And Whitney Canada Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A NUT THREAD |
| AAJE | THREAD PITCH DIAMETERS | 0.2339/0.2363 INCHES STUD THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| AASA | THREAD LENGTH | 0.490 INCHES MINIMUM NUT THREAD AND 0.510 INCHES MAXIMUM NUT THREAD |
| AASA | THREAD LENGTH | 0.490 INCHES MINIMUM STUD THREAD AND 0.510 INCHES MAXIMUM STUD THREAD |
| ABHP | OVERALL LENGTH | 5.896 INCHES MINIMUM AND 5.916 INCHES MAXIMUM |
| ADCZ | LENGTH OF RECESSED PORTION OF SHANK | 4.906 INCHES NOMINAL |
| ADDA | DIAMETER OF RECESSED PORTION OF SHANK | 0.189 INCHES MINIMUM AND 0.199 INCHES MAXIMUM |
| ADDU | DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM FIRST HOLE |
| ADDV | COTTER PIN HOLE DIAMETER | 0.078 INCHES NOMINAL FIRST HOLE |
| CMLP | THREAD QUANTITY PER INCH | 20 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 | 0.250 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 |
| MATT | MATERIAL | STEEL COMP 8740 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7456 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 | RECESSED |
| THSD | THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THSD | THREAD SERIES DESIGNATOR | UNS STUD THREAD |
| Relevant Components for NSN - 5307-00-967-8172, 5307009678172 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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