| 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) | 00-637-0772 (006370772) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Kaiser Fluid Technologies Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABQU | DRIVE POINT DEPTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 3.250 INCHES NOMINAL |
| ADBG | NUT THICKNESS | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| ADBH | DRIVE POINT WIDTH | 0.190 NOMINAL MILS AND 0.210 NOMINAL CENTIMETERS |
| ADBM | DRIVE POINT QUANTITY | 2 |
| AGGP | DRILLED HOLE DIAMETER | 0.062 INCHES NOMINAL |
| ALET | HOLE TYPE AND QUANTITY | 3 DRILLED |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | 2.750 INCHES |
| CRHC | HOLE CONFIGURATION STYLE | CONFIGURATION J |
| CRSQ | COUNTERSINK ANGLE | 10.0 DEGREES MINIMUM NUT AND 113.0 DEGREES MAXIMUM NUT |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-637-0772, 5310006370772 | ||||
| 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) | |
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