| Item Name | Nut Plain Slotted Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-842-1491 (008421491) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications, Hein Werner Corp, Military Standards Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASDB | WIDTH ACROSS FLATS | 0.675 INCHES MINIMUM AND 0.688 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNC |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| AAJD | THREAD CLASS | 2B |
| ACTA | NUT STYLE | SLOTTED,HEXAGON |
| ADEA | NUT HEIGHT | 0.365 NOMINAL MILS AND 0.385 NOMINAL CENTIMETERS |
| CQFM | HARDNESS RATING | 95.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 4 TYPE AND 16 STYLE AND B GRADE |
| Relevant Components for NSN - 5310-00-842-1491, 5310008421491 | ||||
| 5365-01-408-0738 (5365014080738) | 5360-01-398-4043 (5360013984043) | 5340-01-691-6542 (5340016916542) | 5320-01-436-2383 (5320014362383) | |
| 5306-01-314-9902 (5306013149902) | 5360-01-309-0721 (5360013090721) | 5340-01-572-7694 (5340015727694) | 5330-01-590-0378 (5330015900378) | |
| 5305-00-885-9913 (5305008859913) | 5305-01-107-6588 (5305011076588) | 5360-00-419-0733 (5360004190733) | 5365-01-088-3799 (5365010883799) | |
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