NSN 5310-00-312-1051
Part Details | SQUARE PLAIN NUT
5310-00-312-1051 A nut, flat on top and bottom, having 4 flat sides. 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: 139C65111, 139C6511-1, 5310-00-312-1051, 00-312-1051, 5310003121051, 003121051
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 31, 1973 | 00-312-1051 | 01858 ( NUT, PLAIN, SQUARE ) |
REFERENCE DRAWINGS & PICTURES
SQUARE
Cross Reference | NSN 5310-00-312-1051
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 139C6511-1 | 05606 | GENERAL DYNAMICS-OTS, INC.DBA GD-OTS (WILLISTON) |
Technical Data | NSN 5310-00-312-1051
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.875 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| HARDNESS RATING | RCB30.0 ROCKWELL C MAXIMUM AND 35.0 ROCKWELL C MAXIMUM |
| NUT STYLE | SQUARE |
| NUT HEIGHT | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 1.313 INCHES NOMINAL |
| BEARING SURFACE TYPE | H$DWF |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |