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) | 00-639-0806 (006390806) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL COMP 4037 OVERALL OR STEEL COMP 4137 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8740 OVERALL |
| ASDB | Width Across Flats | 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |
| ABQZ | Internal Drive Style | HEXAGON |
| AHYM | Nominal Thread Diameter | 0.312 INCHES |
| AASB | Fastener Length | 0.250 INCHES NOMINAL |
| AAJF | Thread Direction | RIGHT-HAND |
| AASA | Thread Length | 0.250 INCHES MINIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| CQFM | Hardness Rating | 45.0 ROCKWELL C MINIMUM OVERALL AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| ABQJ | Point Style | CUP |
| ZZZT | Nondefinitive Spec/Std Data | 1 TYPE AND 4 STYLE |
| THSD | Thread Series Designator | UNC |
| AAJD | Thread Class | 2A |
| CMLP | Thread Quantity Per Inch | 18 |
| MDCL | Material Document And Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| ZZZX | Departure From Cited Designator | AS MODIFIED BY THREAD CLASS |
| Relevant Components for NSN - 5305-00-639-0806, 5305006390806 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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