Model: 7438-2149

Gear Cluster

Properties:

Bore Style
W/counterbore both ends
Design Type
Bevel first gear
Design Type
Spur second gear
Construction
Assembled
Outside Diameter
1.0080 inches first gear
Outside Diameter
0.500 inches second gear
Nominallength
0.689 inches
Hub Length
0.491 inches between first and second gear
Counterbore Depth
0.056 inches both ends
Counterbore Diameter
0.3280 inches both ends
Hub Style Designator
1 step between first and second gear
Hub Style Designator
Plain both ends
Hub Diameter
0.406 inches second end
Hub Diameter
0.500 inches between first and second gear
Hub Diameter
0.500 inches first end
Material
Aluminum alloy 2024 first gear
Material
Steel comp 303 second gear
Material
Steel comp 303 shaft/hub
Material Specification
Qq-a-225/6 federal specification single material response first gear
Material Specification
Qq-s-764, cond a federal specification single material response second gear
Material Specification
Qq-s-764, cond a federal specification single material response shaft/hub
Surface Treatment
Anodize first gear
Surface Treatment
Passivate shaft/hub
Surface Treatment
Passivate second gear
NSN
3020-00-854-0957
Part Number
7438-2149
Description
Gear Cluster
CAGE
80294

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 7438-2149 NSN 3020-00-854-0957

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 4.0 X 4.0
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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