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) | 00-138-4617 (001384617) |
| NCB Code | USA (00) |
| Manufacturer | Battersby Corp, Eaton Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.540 INCHES MINIMUM AND 0.660 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.375 INCHES NOMINAL |
| AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| AASU | HEAD HEIGHT | 0.300 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.074 INCHES MINIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CSYM | SURFACE FINISH | 60.0 MICROINCHES BEARING SURFACE OF HEAD |
| MATT | MATERIAL | STEEL COMP 1038 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-138-4617, 5305001384617 | ||||
| 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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