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 | Northrop Grumman Systems Corporation, Usm Corp, Penn Engineering And Manufacturing |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| GS520L4-12 | northrop grumman systems corporation | stud self locking | RFQ |
| KT420-12-3 | usm corp | stud self locking | RFQ |
| FH-0420-12 | penn engineering and manufacturing | stud self locking | RFQ |
| KT420-C12 | usm corp | stud self locking | RFQ |
| Y-2510-12CI | penn engineering and manufacturing | 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 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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