Model: 139B6837

Gear Cluster

Properties:

End Application
Grumman aerospace a-10 aircraft
Bore Style
W/counterbore both ends
Design Type
Spur all gears
Construction
Assembled
Outside Diameter
2.453 inches first gear
Outside Diameter
2.500 inches second gear
Outside Diameter
2.500 inches third gear
Nominallength
1.297 inches
Hub Length
0.109 inches between second and third gear
Hub Length
0.156 inches first end
Hub Length
0.391 inches between first and second gear
Bore Diameter
0.594 inches both ends
Counterbore Depth
0.891 inches second end
Counterbore Diameter
1.031 inches second end
Hub Style Designator
Plain between first and second gear
Hub Style Designator
Plain first end
Hub Style Designator
Plain between second and third gear
Hub Diameter
1.750 inches between first and second gear
Hub Diameter
1.750 inches between second and third gear
Hub Diameter
2.031 inches first end
Material
Steel
Surface Treatment
Oxide
Furnished Items And Quantity
1 lubricant impregnated bearing
NSN
3020-00-345-2666
Part Number
139B6837
Description
Gear Cluster
CAGE
26420

A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). Excludes gear subassembly, speed decreaser.

Part 139B6837 NSN 3020-00-345-2666

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
36636
FIIG:
A270A0
Concept No.:
App. Key:
A
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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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