AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Setscrew |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-837-9918 (008379918) |
| NCB Code | USA (00) |
| Manufacturer | Long Lok Fasteners Corporation, Federal Specifications, Breeze Eastern Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| AAUJ | SPLINE MAJOR DIAMETER | 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | STRIP THREADS |
| SFTT | SURFACE TREATMENT | CADMIUM FASTENER AND CHROMATE FASTENER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEADLESS (SETSCREW) |
| AAUH | SPLINE MINOR DIAMETER | 0.055 INCHES MINIMUM AND 0.056 INCHES MAXIMUM |
| AAUK | SPLINE WIDTH | 0.022 INCHES MINIMUM AND 0.023 INCHES MAXIMUM |
| ABQJ | POINT STYLE | CUP |
| ABQZ | INTERNAL DRIVE STYLE | FOUR SPLINE |
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM OVERALL AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| MATT | MATERIAL | PLASTIC LOCKING FEATURE |
| MATT | MATERIAL | STEEL COMP 4037 FASTENER OR STEEL COMP 4137 FASTENER OR STEEL COMP 4140 FASTENER OR STEEL COMP 8630 FASTENER OR STEEL COMP 8740 FASTENER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES FASTENER |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 STYLE |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | ASMODIFIED BY LOCKING FEATURE |
| Relevant Components for NSN - 5305-00-837-9918, 5305008379918 | ||||
| 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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