| 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 |
| Components Related to NSN - 5310-00-595-6401, 5310005956401 | ||||
| 5305-01-222-7769 (5305012227769) | 5365-01-044-5936 (5365010445936) | 5331-01-276-7349 (5331012767349) | 5340-00-536-5281 (5340005365281) | |
| 5365-00-550-5464 (5365005505464) | 5305-01-209-8688 (5305012098688) | 5340-01-624-2067 (5340016242067) | 5340-01-214-3681 (5340012143681) | |
| 5330-01-166-9520 (5330011669520) | 5306-00-528-5534 (5306005285534) | 5307-00-307-2340 (5307003072340) | 5340-01-382-3018 (5340013823018) | |
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