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Worm Shaft

Model / MPN: 40641-1 | NSN: 3040-00-818-6067
ITAR Registered seal

A drive shaft having helical threa (s) on a portion of its outer surface, machined bearing surface(s) and facilities for driving (other than a hub) on one or both ends of shaft. Designed to mate with a cam, gear sector, worm wheel, etc. Includes items with bearings. Excludes items having more than one worm complement of helical threads, items with a separate complement of gear teeth, and gear, worm.

Product Details
NATO Stock Number
3040-00-818-6067
Sold in multiples of
DEMIL
NO
End Similarity
Not identical
Overall Length
2.0025 inches
Teeth Hardness Rating
Between 48.0 rockwell c and 55.0 rockwell c
Worm Thread Quantity
2
Worm Thread Lead
0.2667 inches
Worm Thread Direction
Left-hand
Worm Pressure Angle In Deg
20.000
Worm Helix Angle
10 degrees 57 min
Worm Outside Diameter
0.5190 inches
Worm Pitch Diameter
0.4387 inches
Shaft Hardness Rating
Between 28.0 rockwell c and 34.0 rockwell c
Worm Thread Section Length
0.6200 inches
Worm Body Length
1.2175 inches
Worm Body Tapered Bearing Surface End
Not provided
Shaft Location
Both ends of worm
Straight Unthreaded Length
0.2000 inches second end, first portion
Straight Unthreaded Section Diameter
0.2496 inches second end, first portion
Involute Spline Quantity
12 either end
Involute Spline Pressure Angle In Deg
14.5 either end
Involute Spline Pitch Diameter
0.2500 inches first end, first portion
Involute Spline Length
0.2600 inches first end, first portion
Material
Steel, mil-s-6758, cond d4
Material
Steel, mil-s-6758, cond d4
Fsc Application Data
Actuator, electro-mechanical, linear
40641 Series Parts

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40641-1 Cross Reference
  • 40641-1