NSN 5310-00-181-6556
Part Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT
5310-00-181-6556 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: 55LH78966, 55LH7896-6, 55LH78966, 55LH7896-6, STSCD00506, STSCD005-06, 5310-00-181-6556, 00-181-6556, 5310001816556, 001816556
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 24, 1970 | 00-181-6556 | 29729 ( NUT, SELF-LOCKING, EXTENDED WASHER, DOUBLE HEXAGON ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON
Cross Reference | NSN 5310-00-181-6556
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 55LH7896-6 | 019L2 | FITZ AEROSPACE, LLCDBA ESNA |
| 55LH7896-6 | 72962 | HARVARD INDUSTRIES INC |
| STSCD005-06 | 98897 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
Technical Data | NSN 5310-00-181-6556
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| HARDNESS RATING | 45.0 ROCKWELL C NOMINAL |
| NUT STYLE | DOUBLE HEXAGON |
| WASHER OUTSIDE DIAMETER | 0.725 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.505 INCHES MAXIMUM |
| WASHER THICKNESS | 0.031 INCHES MINIMUM |
| WIDTH ACROSS FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | SOLUBLE LUBRICANT |
| TEMP RATING | -65.0 DEG FAHRENHEIT MINIMUM AND 450.0 DEG FAHRENHEIT MAXIMUM |
