AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Stud Self Locking |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5307 Studs |
| National Item Identification Number (NIIN) | 01-272-9143 (012729143) |
| NCB Code | USA (01) |
| Manufacturer | Penn Engineering And Manufacturing, Usm Corp, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| FH-0420-12 | penn engineering and manufacturing | stud self locking | RFQ |
| KT420-12-3 | usm corp | stud self locking | RFQ |
| GS520L4-12 | northrop grumman systems corporation | stud self locking | RFQ |
| Y-2510-12CI | penn engineering and manufacturing | stud self locking | RFQ |
| KT420-C12 | usm corp | stud self locking | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A NUT THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| AASA | THREAD LENGTH | 0.635 INCHES MINIMUM NUT THREAD AND 0.665 INCHES MAXIMUM NUT THREAD |
| AASL | HEAD DIAMETER | 0.305 INCHES MINIMUM AND 0.337 INCHES MAXIMUM |
| AASV | HEAD LENGTH | 0.062 INCHES NOMINAL |
| AAUM | LOCKING FEATURE | SELF-CLINCHING HEAD |
| ABHP | OVERALL LENGTH | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 NUT THREAD |
| CQFM | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | SELF-LOCKING |
| THSD | THREAD SERIES DESIGNATOR | UNC NUT THREAD |
| Relevant Components for NSN - 5307-01-272-9143, 5307012729143 | ||||
| 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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