Model: 924B440-1

Worm Shaft

Properties:

End Similarity
Not identical
Thread Length
0.563 inches first end, third portion
Thread Length
0.938 inches second end, third portion
Overall Length
12.375 inches
Keyway Width
0.1875 inches first end, third portion
Keyway Width
0.1875 inches second end, third portion
Shaft Thread Size
1-11/64 in.-18
Screw Thread Series Designator
Special first end, third portion
Screw Thread Series Designator
Special second end, third portion
Shaft Thread Direction
Right-hand first end, third portion
Shaft Thread Direction
Right-hand second end, third portion
Teeth Hardness Rating
Between 55.3 rockwell c and 61.8 rockwell c
Worm Thread Quantity
2
Worm Thread Lead
0.586 inches
Worm Thread Direction
Right-hand
Worm Pressure Angle In Deg
20.000
Worm Helix Angle
6 degrees 30 min
Worm Outside Diameter
1.805 inches
Worm Pitch Diameter
1.624 inches
Shaft Hardness Rating
C scale 24
Worm Thread Section Length
3.000 inches
Worm Body Length
3.000 inches
Worm Body Tapered Bearing Surface End
Not provided
Shaft Location
Both ends of worm
Straight Unthreaded Length
0.563 inches first end, second portion
Straight Unthreaded Length
1.1875 inches second end, second portion
Straight Unthreaded Length
1.375 inches second end, first portion
Straight Unthreaded Length
1.325 inches first end, first portion
Straight Unthreaded Length
1.500 inches second end, fourth portion
Straight Unthreaded Length
1.625 inches second end, fifth portion
Straight Unthreaded Section Diameter
1.406 inches first end, first portion
Straight Unthreaded Section Diameter
1.406 inches second end, first portion
Straight Unthreaded Section Diameter
1.406 inches second end, second portion
Straight Unthreaded Section Diameter
0.7495 inches second end, fifth portion
Straight Unthreaded Section Diameter
0.7500 inches second end, fifth portion
Straight Unthreaded Section Diameter
0.999 inches second end, fourth portion
Straight Unthreaded Section Diameter
1.001 inches second end, fourth portion
Straight Unthreaded Section Diameter
1.1809 inches first end, second portion
Straight Unthreaded Section Diameter
1.1815 inches first end, second portion
Unthreaded Section Keyway Width
0.1820 inches second end, fifth portion
Unthreaded Section Keyway Width
0.1840 inches second end, fifth portion
Unthreaded Section Keyway Depth
0.096 inches second end, fifth portion
Unthreaded Section Keyway Depth
0.108 inches second end, fifth portion
Material
Steel, mil-s-16974, grade 8620
Material
Steel, mil-s-16974, grade 8620
Fsc Application Data
Steam turbine
NSN
3040-00-585-4012
Part Number
924B440-1
Description
Worm Shaft
CAGE
90099

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 924B440-1 NSN 3040-00-585-4012

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
019940
UFC:
08170
LTL:
85.0
LCL:
--
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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