Model: ST4M138-04-26

Spacing Threaded Standoff

Special Features:

Optional surface treatment-alodine per mil-c-5541

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
0.500 inches left internal (includes through thread)
Thread Length
0.500 inches right internal
Length
Between 2.590 inches and 2.610 inches
Cross-sectional Shape
Hexagon
Width Across Flats
0.250 inches
Thready Qty Per Inch (tpi)
40 left internal (includes through thread)
Thready Qty Per Inch (tpi)
40 right internal
Thread Size
0.112 inches left internal (includes through thread)
Thread Size
0.112 inches right internal
Material
Aluminum alloy standoff
Material
Stainless steel insert
Material Specification
Ams 7245 assn standard single material response insert
Material Specification
Qq-a-268 federal specification single material response standoff
Surface Treatment
Anodize standoff
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response standoff
Style Designator
Left internal and right internal threads
Thread Series Designator
Unc left internal (includes through thread)
Thread Series Designator
Unc right internal
NSN
5340-01-377-5232
Part Number
ST4M138-04-26
Description
Standoff,threaded,spacing
CAGE
04169

Part ST4M138-04-26 NSN 5340-01-377-5232

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:
A
ESD:
A
MMAC:
SX
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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