AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Plain Round |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-533-8451 (005338451) |
| NCB Code | USA (00) |
| Manufacturer | Curtiss Wright Controls Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | LEFT-HAND |
| AAWY | COUNTERBORE DIAMETER | 1.780 INCHES NOMINAL NUT |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 2.290 INCHES NOMINAL |
| ADBG | NUT THICKNESS | 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| ADFK | NUT COUNTERBORE DEPTH | 0.090 INCHES NOMINAL NUT |
| BZRR | THREAD SERIES | UN |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | 1.750 INCHES |
| CRSQ | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL NUT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| FEAT | SPECIAL FEATURES | EIGHT DRIVE POINTS 0.200 IN. W,0.080 IN. DEEP LOCATED ON BOSS |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-533-8451, 5310005338451 | ||||
| 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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