NSN 5310-00-423-0557
Part Details | HEXAGON PLAIN NUT
5310-00-423-0557 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: 13218E0321291, 13218E0321-291, 5310-00-423-0557, 00-423-0557, 5310004230557, 004230557
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 04, 1974 | 00-423-0557 | 01857 ( NUT, PLAIN, HEXAGON ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5310-00-423-0557
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13218E0321-291 | 97403 | CECOM LR CENTER |
Technical Data | NSN 5310-00-423-0557
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNC |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| HARDNESS RATING | 32.0 ROCKWELL C MAXIMUM |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| BEARING SURFACE TYPE | WASHER FACED |
| FEATURES PROVIDED | CASEHARDENED |