NSN 5310-01-121-5521
Part Details | HEXAGON PLAIN NUT
5310-01-121-5521 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: 8104385049A050, 810-4385049-A-050, 8104385049 PIECE 50, 810-4385049 PIECE 50, 5310-01-121-5521, 01-121-5521, 5310011215521, 011215521
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 06, 1981 | 01-121-5521 | 01857 ( NUT, PLAIN, HEXAGON ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5310-01-121-5521
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 810-4385049-A-050 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 810-4385049 PIECE 50 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 5310-01-121-5521
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 1.375 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 0.312 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 2.000 INCHES NOMINAL |
| BEARING SURFACE TYPE | FLAT |
| SPECIAL FEATURES | ONE TAPPED HOLE 0.250-20 UNC-2B,0.250 IN. MIN FULL THREAD DEPTH THROUGH BEARING SURFACE |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |