Model: 57988-90163

Spacing Threaded Standoff

Properties:

Thread Class
2b left internal (includes through thread)
Thread Class
2b right internal
Thread Direction
Right-hand left internal (includes through thread)
Thread Direction
Right-hand right internal
Thread Length
0.5000 inches left internal (includes through thread)
Thread Length
0.5000 inches right internal
Length
2.5000 inches
Cross-sectional Shape
Square
Width Across Flats
0.5000 inches
Thready Qty Per Inch (tpi)
32 left internal (includes through thread)
Thready Qty Per Inch (tpi)
32 right internal
Thread Size
0.1900 inches right internal
Material
Aluminum alloy 2011 standoff or aluminum alloy 2024 standoff or aluminum alloy 6061 standoff or aluminum alloy 6063 standoff
Material Specification
Qq-a-225/3 federal specification single material response standoff or qq-a-225/6 federal specification single material response standoff or qq-a-225/8 federal specification single material response standoff or qq-a-200/9 federal specification single material response standoff
Surface Treatment
Chromate standoff
Surface Treatment Specification
Mil-c-5541 military specification single treatment response standoff
Style Designator
Left internal and right internal threads
Thread Series Designator
Unf left internal (includes through thread)
Thread Series Designator
Unf right internal
NSN
5340-01-422-3908
Part Number
57988-90163
Description
Standoff,threaded,spacing
CAGE

Part 57988-90163 NSN 5340-01-422-3908

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
40280
FIIG:
A08900
Concept No.:
1
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:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
095190
UFC:
49790
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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