Model: WB-17257

Worm Shaft

Properties:

End Similarity
Not identical
Thread Length
0.938 inches second end, third portion
Thread Length
4.500 inches second end, sixth portion
Overall Length
31.500 inches
Taper Length
0.188 inches second end, fifth portion
Keyway Width
0.312 inches second end, third portion
Keyway Width
0.626 inches second end, sixth portion
Keyway Depth
0.156 inches second end, third portion
Keyway Depth
0.335 inches second end, sixth portion
Screw Thread Series Designator
Uns second end, third portion
Worm Thread Quantity
2
Worm Thread Lead
2.600 inches
Worm Thread Direction
Right-hand
Worm Pressure Angle In Deg
22.500
Worm Helix Angle
4 degrees 27 min
Worm Outside Diameter
4.552 inches
Worm Pitch Diameter
3.724 inches
Worm Thread Section Length
6.875 inches
Worm Body Length
21.687 inches
Worm Body Tapered Bearing Surface End
Not provided
Shaft Location
Both ends of worm
Straight Unthreaded Length
1.094 inches first end, third portion
Straight Unthreaded Length
1.156 inches first end, second portion
Straight Unthreaded Length
1.500 inches second end, fourth portion
Straight Unthreaded Length
3.750 inches second end, second portion
Straight Unthreaded Length
4.125 inches second end, first portion
Straight Unthreaded Length
4.188 inches first end, first portion
Straight Unthreaded Section Diameter
2.750 inches first end, third portion
Straight Unthreaded Section Diameter
2.750 inches second end, fourth portion
Straight Unthreaded Section Diameter
2.757 inches first end, second portion
Straight Unthreaded Section Diameter
3.625 inches second end, first portion
Straight Unthreaded Section Diameter
3.002 inches second end, second portion
Straight Unthreaded Section Diameter
3.094 inches first end, first portion
Material
Steel
Material
Steel
NSN
3040-01-342-9126
Part Number
WB-17257
Description
Worm Shaft
CAGE
15330

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 WB-17257 NSN 3040-01-342-9126

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:
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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