| Item Name | Nut Plain Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-725-0400 (007250400) |
| NCB Code | USA (00) |
| Manufacturer | Military Specifications, National Aerospace Standards Com |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | LEFT-HAND |
| ADEA | NUT HEIGHT | 0.375 INCHES NOMINAL |
| AGGP | DRILLED HOLE DIAMETER | 0.043 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| ALET | HOLE TYPE AND QUANTITY | 3 DRILLED |
| BZRR | THREAD SERIES | UNJF |
| CQFM | HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES |
| CRHC | HOLE CONFIGURATION STYLE | CONFIGURATION B |
| CSXL | BEARING SURFACE FINISH | 125.0 MICROINCHES |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS 509 GOVERNMENT STANDARD |
| ACTA | NUT STYLE | HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.863 INCHES MINIMUM AND 0.877 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CRSQ | COUNTERSINK ANGLE | 110.0 DEGREES NOMINAL BOTH ENDS |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-725-0400, 5310007250400 | ||||
| 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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