Part Details | HEXAGON PLAIN NUT
5310-00-057-1240 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: 571240, FFB571TYPEA, 5310-00-057-1240, 00-057-1240, 5310000571240, 000571240
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-057-1240 | 01857 ( NUT, PLAIN, HEXAGON ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5310-00-057-1240
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 571240 | 21450 | ARMY WEAPONS COMMANDATTN AMSWE-REE-S |
| FFB571TYPEA | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 5310-00-057-1240
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 1.088 INCHES MINIMUM AND 1.240 INCHES MAXIMUM |
| BEARING SURFACE TYPE | H$DWF |
| NONDEFINITIVE SPEC/STD DATA | A TYPE |