| Item Name | Setscrew |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-217-9173 (002179173) |
| NCB Code | USA (00) |
| Manufacturer | Ready Power Co The, Remy Inc, General Motors Corp, Mitsubishi Caterpillar Forklift, Purolator Products Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.396 INCHES MINIMUM AND 0.541 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.784 INCHES MINIMUM AND 0.808 INCHES MAXIMUM |
| AASK | HEAD STYLE | CROWNED HEXAGON |
| AASU | HEAD HEIGHT | 0.180 INCHES MINIMUM AND 0.194 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AAUY | POINT LENGTH | 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM |
| AAVA | POINT DIAMETER | 0.238 INCHES MINIMUM AND 0.242 INCHES MAXIMUM |
| ABQJ | POINT STYLE | FLAT |
| ABQZ | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | 0.3470 TO 0.3500 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| CWDK | POINT CHAMFER ANGLE | 45.0 DEGREES MINIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Components Related to NSN - 5305-00-217-9173, 5305002179173 | ||||
| 5340-01-169-2963 (5340011692963) | 5310-01-158-6265 (5310011586265) | 5315-01-608-8364 (5315016088364) | 5330-01-510-3005 (5330015103005) | |
| 5365-01-446-8973 (5365014468973) | 5340-01-487-3594 (5340014873594) | 5340-01-557-7739 (5340015577739) | 5331-00-625-8831 (5331006258831) | |
| 5306-01-648-2938 (5306016482938) | 5307-01-106-3946 (5307011063946) | 5305-00-050-9241 (5305000509241) | 5360-01-598-3689 (5360015983689) | |
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