Model: 2640-617

Worm Shaft

Properties:

End Similarity
Not identical
Worm Thread Quantity
2
Worm Thread Lead
0.5125 inches
Worm Thread Direction
Right-hand
Worm Pressure Angle In Deg
20.000
Worm Helix Angle
10 deg, 34 min
Worm Outside Diameter
1.940 inches
Worm Pitch Diameter
1.638 inches
Worm Body Tapered Bearing Surface End
Not provided
Shaft Location
Both ends of worm
Material
Nickel copper alloy, qq-n-281, class a
Material
Nickel copper alloy, qq-n-281, class a
Surface Treatment
Chemical film
NSN
3040-01-102-7655
Part Number
2640-617
Description
Worm Shaft
CAGE
96169

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 2640-617 NSN 3040-01-102-7655

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:
126880
UFC:
64300
LTL:
RATING VARIABLE
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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