Model: B831-9231-8

Spur Gear

Properties:

Body Style
Plain, solid
End Application
Seawolf class ssn
Pitch Diameter
3.7500 inches
Teeth Quantity
30
Outside Diameter
4.0000 inches
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
1.0000 inches first end
Distance Between Body Face And Protruding Hub End
1.5600 inches second end
Face Width
1.1300 inches
Precision Classification
Quality number 5
Part Name Assigned By Controlling Agency
Acme bore female gear
Material
Copper alloy 632
Style Designator
Protruding hubs
Supplementary Features
First end hub center bored 1.2200 dia. X 0.6900 inches deep. Second end hub center bored 1.2200 dia. X 0.5600 inches deep. Gear threaded 1.125-5 acme-2g x 2.4300 lg between hub center bores.
NSN
3020-01-493-4260
Part Number
B831-9231-8
Description
Gear,spur
CAGE
96169

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Part B831-9231-8 NSN 3020-01-493-4260

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
Concept No.:
1
App. Key:
AH
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:
--
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:
197337
UFC:
96690
LTL:
RATING VARIABLE
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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