Model: 644719

Internal Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 3.6100 inches and 3.6200 inches
Teeth Quantity
72
Hardness Rating
46.0 rockwell c and 52.0 rockwell c
Mounting Hole Type And Quantity
6 plain axially through body, first end
Outside Diameter
4.498 inches
Teeth Type
Spur
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
0.373 inches
Mounting Hole Diameter
0.218 inches axially through body, first end
Bolt Hole Circle Diameter
4.203 inches axially through body, first end
Style Designator
Plain ring
NSN
3020-00-176-3855
Part Number
644719
Description
Gear,internal
CAGE
95270

A gear with teeth formed on the inner surface of a cylinder or cone.

Part 644719 NSN 3020-00-176-3855

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05465
FIIG:
A27300
Concept No.:
1
App. Key:
AG
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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