AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-157-1391 (011571391) |
| NCB Code | USA (01) |
| Manufacturer | Allison Transmission Inc, Oshkosh Corporation, General Dynamics Land Systems Inc, Din Deutsches Institut |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | HEXAGON |
| THSD | THREAD SERIES DESIGNATOR | M |
| AHYM | NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 113784 POUNDS PER SQUARE INCH |
| AASA | THREAD LENGTH | 15.0 MILLIMETERS MINIMUM AND 45.0 MILLIMETERS MAXIMUM |
| AASU | HEAD HEIGHT | 8.0 MILLIMETERS NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 19.0 MILLIMETERS NOMINAL |
| MATT | MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.75 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQFM | HARDNESS RATING | 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL |
| AASB | FASTENER LENGTH | 45.00 MILLIMETERS NOMINAL |
| Relevant Components for NSN - 5305-01-157-1391, 5305011571391 | ||||
| 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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