Model: 40641-1

Worm Shaft

Properties:

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
NSN
3040-00-818-6067
Part Number
40641-1
Description
Worm Shaft
CAGE
70210

A drive shaft having helical thread(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.

Part 40641-1 NSN 3040-00-818-6067

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18249
FIIG:
T246-C
Concept No.:
App. Key:
CA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
019940
UFC:
08170
LTL:
85.0
LCL:
85.0
WCC:
581
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483105000
  • SITC: 74810
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Transmission shafts and cranks, except camshafts and crankshafts

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