Model: 1649171

Worm Shaft

Properties:

End Similarity
Not identical
Overall Length
4.250 inches
Section Shape
Rd, v-flatted shape second end, second portion
Worm Thread Quantity
4
Worm Thread Lead
0.4207 inches
Worm Thread Direction
Right-hand
Worm Pressure Angle In Deg
20.000
Worm Helix Angle
21 degrees 2 min.
Worm Outside Diameter
0.416 inches
Worm Pitch Diameter
0.348 inches
Worm Thread Section Length
0.750 inches
Worm Body Length
1.375 inches
Worm Body Tapered Bearing Surface End
Not provided
Shaft Location
Both ends of worm
Straight Unthreaded Length
0.250 inches first end, first portion
Straight Unthreaded Length
2.250 inches second end, first portion
Straight Unthreaded Section Diameter
0.249 inches first end, first portion
Straight Unthreaded Section Diameter
0.249 inches second end, first portion
Shaft Section Size
0.360 both ends
Shaft Section Size
0.360
Material
Steel, qq-s-763, class 416, cond t
Material
Steel, qq-s-763, class 416, cond t
Surface Treatment
Passivate
Surface Treatment
Passivated
NSN
3040-00-073-7478
Part Number
1649171
Description
Worm Shaft
CAGE
10001

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 1649171 NSN 3040-00-073-7478

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:
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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