Model: 520-12939-1

Matched Bevel Gear Set

Special Features:

Flight safety critical

Properties:

End Application
Aircraft, stratofortress, b-52
Supply Items And Quantities
3020-00-339-7090 gear, bevel 1; 3020-00-348-7978 gear, bevel 1
Criticality Code Justification
Agav and feat
NSN
3020-01-490-1875
Part Number
520-12939-1
Description
Gear Set,bevel,matched
CAGE
81205

A grouping of two or more or any combination of gear, bevel; gearshaft, bevel; or gear cluster, bevel which have been matched together for a given characteristic within a specified tolerance. Includes only those gears designed and tested to accomplish a specifically desired function.

Part 520-12939-1 NSN 3020-01-490-1875

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
21969
FIIG:
A23800
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:
A
ESD:
ESD:
MMAC:
CRITL:
Y

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:
121870
UFC:
64910
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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