AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
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| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-348-2678 (013482678) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES GRIP32.0 MICROINCHES THREADS |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJC |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1121 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AASB | FASTENER LENGTH | 0.573 INCHES MINIMUM AND 0.603 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AAUR | GRIP DIAMETER | 0.1365 INCHES MINIMUM AND 0.1375 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASL | HEAD DIAMETER | 0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM |
| ANEE | GRIP LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.276 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.074 INCHES MINIMUM AND 0.086 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| Relevant Components for NSN - 5305-01-348-2678, 5305013482678 | ||||
| 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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