Model: 537-600-025

Gear Cluster

Properties:

Design Type
Spur first gear
Design Type
Spur second gear
Construction
Assembled
Outside Diameter
0.850 inches second gear
Outside Diameter
0.8500 inches first gear
Nominallength
0.425 inches
Hub Length
0.107 inches second end
Hub Length
0.127 inches between first and second gear
Hub Length
0.166 inches first end
Hub Style Designator
1 step between first and second gear
Hub Style Designator
1 step first end
Hub Style Designator
1 step second end
Hub Diameter
0.1248 inches both ends
Hub Diameter
0.312 inches between first and second gear
Precision Classification
Quality number 12 first gear
Material
Aluminum alloy 2024 first gear
Material
Aluminum alloy 2024 second gear
Material
Steel shaft/hub
Material Specification
Fed standard 66, aisi 416/sae 51416 assn standard single material response shaft/hub
Material Specification
Qq-a-225/6, alloy 2024, t4 federal specification single material response first gear
Material Specification
Qq-a-225/6, alloy 2024, t4 federal specification single material response second gear
Surface Treatment
Anodize all gears
Surface Treatment
Passivate shaft/hub
Surface Treatment Specification
Mil-a-8625, type 2, class 2 military specification single treatment response second gear
Surface Treatment Specification
Mil-a-8625, type 2, class 2 military specification single treatment response first gear
NSN
3020-00-139-4197
Part Number
537-600-025
Description
Gear Cluster
CAGE
07421

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 537-600-025 NSN 3020-00-139-4197

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

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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