AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Tapping |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-014-4791 (000144791) |
| NCB Code | USA (00) |
| Manufacturer | General Motors Corp, Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 0.250 INCHES NOMINAL |
| AASK | HEAD STYLE | PAN NO. 2 |
| AASL | HEAD DIAMETER | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CRGF | NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A,AB OR BA) |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.138 INCHES |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A TYPE |
| ZZZW | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY CASEHARDENING AND SURFACE TREATMENT |
| Relevant Components for NSN - 5305-00-014-4791, 5305000144791 | ||||
| 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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