NSN 5310-00-639-0978
Part Details | HEXAGON PLAIN NUT
5310-00-639-0978 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: 89HM15593, 89HM1559-3, 5310-00-639-0978, 00-639-0978, 5310006390978, 006390978
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-639-0978 | 01857 ( NUT, PLAIN, HEXAGON ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5310-00-639-0978
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 89HM1559-3 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
Technical Data | NSN 5310-00-639-0978
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNEF |
| NOMINAL THREAD SIZE | 1.375 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 0.281 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 2.062 INCHES NOMINAL |
| BEARING SURFACE TYPE | CHAMFERED |