Model: 18030-30

Worm Shaft

Properties:

End Similarity
Identical
Overall Length
Between 11.594 inches and 11.656 inches
Teeth Hardness Rating
Between 60.0 rockwell c and 62.0 rockwell c
Worm Thread Quantity
1
Worm Thread Lead
0.8378 inches
Worm Thread Direction
Right-hand
Worm Pressure Angle In Deg
25.000
Worm Helix Angle
7 degrees 36 min
Worm Outside Diameter
2.533 inches
Worm Pitch Diameter
2.000 inches
Shaft Hardness Rating
Between 60.0 rockwell c and 62.0 rockwell c
Worm Thread Section Length
5.500 inches
Worm Body Length
7.601 inches
Worm Body Tapered Bearing Surface End
Not provided
Shaft Location
Both ends of worm
Straight Unthreaded Length
0.531 inches second end, second portion
Straight Unthreaded Length
0.938 inches second end, first portion
Straight Unthreaded Length
0.933 inches second end, first portion
Straight Unthreaded Length
1.211 inches first end, first portion
Straight Unthreaded Length
1.273 inches first end, first portion
Straight Unthreaded Section Diameter
1.564 inches second end, second portion
Straight Unthreaded Section Diameter
1.565 inches second end, second portion
Straight Unthreaded Section Diameter
1.626 inches first end, first portion
Straight Unthreaded Section Diameter
1.626 inches second end, first portion
Straight Unthreaded Section Diameter
1.627 inches first end, first portion
Straight Unthreaded Section Diameter
1.627 inches second end, first portion
Involute Spline Quantity
28 second end, third portion
Involute Spline Pressure Angle In Deg
30.0 second end, third portion
Involute Spline Pitch Diameter
1.4000 inches second end, third portion
Involute Spline Length
0.844 inches second end, third portion
Material
Steel, fed standard 66, aisi/sae 8620
Material
Steel, fed standard 66, aisi/sae 8620
NSN
3040-00-116-5182
Part Number
18030-30
Description
Worm Shaft
CAGE
95779

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 18030-30 NSN 3040-00-116-5182

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:
129920
UFC:
65750
LTL:
85.0
LCL:
--
WCC:
593
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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