NSN 5310-00-205-3921
Part Details | HEXAGON PLAIN NUT
5310-00-205-3921 A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Alternate Parts: FFN836, MS5196759, MS51967-59, 1238730559, 12387305-59, 5310-00-205-3921, 00-205-3921, 5310002053921, 002053921
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 08, 1973 | 00-205-3921 | 01857 ( NUT, PLAIN, HEXAGON ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5310-00-205-3921
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FFN836 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| MS51967-59 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| 12387305-59 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 5310-00-205-3921
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNC |
| NOMINAL THREAD SIZE | 3.000 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| HARDNESS RATING | 90.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 2.518 INCHES MINIMUM AND 2.638 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 4.350 INCHES MINIMUM AND 4.500 INCHES MAXIMUM |
| BEARING SURFACE TYPE | H$DWF |
| SPECIAL FEATURES | CERTIFIED FREE FROM MERCURY CONTAMINATION |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 STYLE AND B GRADE |
| DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY SPECIAL FEATURES |