AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Thumbscrew |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-458-2011 (004582011) |
| NCB Code | USA (00) |
| Manufacturer | Roller Bearing Company Of America |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.000 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.250 INCHES NOMINAL |
| AASK | HEAD STYLE | KNURLED NO. 1 |
| AASL | HEAD DIAMETER | 1.000 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
| ABQJ | POINT STYLE | FLAT |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 75.0 ROCKWELL B MINIMUM OVERALL AND 83.0 ROCKWELL B MAXIMUM OVERALL |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-458-2011, 5305004582011 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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