Model: 912012-1

Internal Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
6.8333 inches
Teeth Quantity
82
Hardness Rating
35.0 rockwell c and 40.0 rockwell c
Mounting Hole Type And Quantity
10 plain axially through flange
Outside Diameter
7.750 inches
Nominallength
1.000 inches
Teeth Type
Spur
Tooth Form
Stub
Flange Diameter
10.500 inches
Pressure Angle
20.0000 degrees
Flange Thickness
0.312 inches
Precision Classification
Quality number 10
Mounting Hole Diameter
0.374 inches axially through flange
Bolt Hole Circle Diameter
9.250 inches axially through flange
Material
Steel comp 4140
Material Specification
Mil-s-5626 military specification single material response
Surface Treatment
Oxide
Surface Treatment Specification
Mil-c-13924, class 1 military specification single treatment response
Style Designator
Flanged ring
NSN
3020-01-060-4179
Part Number
912012-1
Description
Gear,internal
CAGE
3B150

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

Part 912012-1 NSN 3020-01-060-4179

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
6.7000lbs
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:
Trailers/Vehicles

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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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