| Item Name | Nut Self Locking Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-595-6401 (005956401) |
| NCB Code | USA (00) |
| Manufacturer | Defense Logistics Agency, Aqua Chem Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | LEFT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ACTA | NUT STYLE | HEXAGON |
| ADEA | NUT HEIGHT | 0.432 INCHES MINIMUM AND 0.436 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNC |
| CMLP | THREAD QUANTITY PER INCH | 13 |
| CQJX | NOMINAL THREAD SIZE | 0.500 INCHES |
| CRTM | BEARING SURFACE TYPE | WASHER FACED |
| FEAT | SPECIAL FEATURES | NYLON INSERT ON FACE OF FLAT CENTERED; 0.149 IN. MIN AND 0.151 IN. MAX W; 0.166 IN. MIN AND 0.172 IN. MAX L |
| MATT | MATERIAL | NICKEL ALLOY R-405 NUT |
| MATT | MATERIAL | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCKING INSERT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D4066,CL 1 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CL B FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Relevant Components for NSN - 5310-00-595-6401, 5310005956401 | ||||
| 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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