NSN 5310-00-345-2021
Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT
5310-00-345-2021 A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Alternate Parts: 55LH96387, 55LH9638-7, STSCD00807, STSCD008-07, 69678720, 69678-720, 69678720, 69678-720, 5310-00-345-2021, 00-345-2021, 5310003452021, 003452021
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 20, 1974 | 00-345-2021 | 29729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON
Cross Reference | NSN 5310-00-345-2021
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 55LH9638-7 | 72962 | HARVARD INDUSTRIES INC |
| STSCD008-07 | 98897 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
| 69678-720 | 50392 | SPS TECHNOLOGIES INC |
| 69678-720 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
Technical Data | NSN 5310-00-345-2021
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.438 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| HARDNESS RATING | 49.0 ROCKWELL C MAXIMUM |
| NUT STYLE | DOUBLE HEXAGON |
| WASHER OUTSIDE DIAMETER | 0.725 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.470 INCHES MAXIMUM |
| WASHER THICKNESS | 0.044 INCHES MINIMUM |
| WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | SOLUBLE LUBRICANT |
| TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |