| 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) | 00-165-8421 (001658421) |
| NCB Code | USA (00) |
| Manufacturer | Triumph Gear Systems Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAWY | COUNTERBORE DIAMETER | 0.499 INCHES MINIMUM NUT AND 0.508 INCHES MAXIMUM NUT |
| ABQU | DRIVE POINT DEPTH | 0.143 INCHES NOMINAL |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 0.865 INCHES NOMINAL |
| ADBG | NUT THICKNESS | 0.812 INCHES NOMINAL |
| ADBH | DRIVE POINT WIDTH | 0.125 NOMINAL INCHES |
| ADBM | DRIVE POINT QUANTITY | 6 |
| ADFK | NUT COUNTERBORE DEPTH | 0.400 INCHES NOMINAL NUT |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 3,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-165-8421, 5310001658421 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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