Model: 1979919

Electrical-electronic Heat Sink

Properties:

Overall Length
4.130 inches
Overall Height
0.063 inches
Overall Width
4.080 inches
Unthreaded Mounting Hole Diameter
0.140 inches first mounting facility
Unthreaded Mounting Hole Diameter
0.193 inches second mounting facility
Unthreaded Mounting Hole Diameter
0.290 inches third mounting facility
Unthreaded Mounting Hole Diameter
0.375 inches fourth mounting facility
Mounting Facility Type And Quantity
1 unthreaded hole third mounting facility
Mounting Facility Type And Quantity
2 unthreaded hole fourth mounting facility
Mounting Facility Type And Quantity
6 unthreaded hole second mounting facility
Mounting Facility Type And Quantity
8 unthreaded hole first mounting facility
Material
Aluminum alloy
Material Specification
Qq-a-250/8, 5052-h32 federal specification single material response
Surface Treatment
Chromate
Surface Treatment Specification
Mil-c-5541, class 1a military specification single treatment response
NSN
5999-01-397-2051
Part Number
1979919
Description
Heat Sink,electrical-electronic
CAGE
03956

An item which is specifically designed to absorb, conduct or dissipate heat generated by an electrical and/or electronic component or an external source in order to prevent damage to the component. Do not use if a more specific name applies.

Part 1979919 NSN 5999-01-397-2051

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
61433
FIIG:
A03600
Concept No.:
App. Key:
B
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:
P
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
7.0 X 7.0 X 2.0
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:
060500
UFC:
81820
LTL:
NO RATING
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8543909000
  • SITC: 77879
  • End Use: Electric apparatus
  • NAICS: 335999
  • USDA: 1

Freight Class: Electrical machines and apparatus parts, nesoi

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