Model: 641-A

Electrical-electronic Heat Sink

Properties:

Overall Length
Between 4.090 inches and 4.180 inches
Overall Height
Between 0.970 inches and 1.030 inches
Overall Width
Between 2.980 inches and 3.020 inches
Unthreaded Mounting Hole Diameter
0.184 inches first mounting facility and 0.196 inches first mounting facility
Unthreaded Mounting Hole Diameter
0.220 inches second mounting facility
Mounting Facility Type And Quantity
2 unthreaded hole second mounting facility
Mounting Facility Type And Quantity
4 unthreaded hole first mounting facility
Material
Aluminum alloy 6063
Material Specification
Qq-a-200, t6 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response
NSN
5999-00-162-1818
Part Number
641-A
Description
Heat Sink,electrical-electronic
CAGE
05820

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 641-A NSN 5999-00-162-1818

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:
U
ESD:
B
ESD:
B
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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:
063085
UFC:
05380
LTL:
85.0
LCL:
--
WCC:
72D
TCC:
3
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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