| 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) | 01-210-6258 (012106258) |
| NCB Code | USA (01) |
| Manufacturer | Honeywell International Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAWY | COUNTERBORE DIAMETER | 2.125 INCHES MINIMUM FIRST END AND 2.135 INCHES MAXIMUM FIRST END |
| ABPH | SMALL END DIAMETER | 2.175 INCHES MINIMUM AND 2.195 INCHES MAXIMUM |
| ABQU | DRIVE POINT DEPTH | 0.105 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM |
| ADBG | NUT THICKNESS | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| ADBH | DRIVE POINT WIDTH | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| ADBJ | UNDERCUT THICKNESS | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| ADBM | DRIVE POINT QUANTITY | 4 |
| ADFK | NUT COUNTERBORE DEPTH | 0.050 INCHES MINIMUM FIRST END AND 0.070 INCHES MAXIMUM FIRST END |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 2.125 INCHES |
| CRSQ | COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL SECOND END |
| CSXL | BEARING SURFACE FINISH | 63.0 MICROINCHES |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL OR AMS 6414 ASSN STD 3RD MATERIAL RESPONSE OVERALL OR AMS 6415 ASSN STD 3RD MATERIAL RESPONSE OVERALL OR ASTM A322 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-01-210-6258, 5310012106258 | ||||
| 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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