Model: 1663257

Spacing Threaded Standoff

Properties:

Thread Class
2b left internal (includes through thread)2a right external
Thread Direction
Right-hand left internal (includes through thread)
Thread Direction
Right-hand right external
Thread Length
0.200 inches left internal (includes through thread)0.140 inches right external
Flange Diameter
0.187 inches
Flange Thickness
Between 0.542 inches and 0.552 inches
Length
0.737 inches
Thready Qty Per Inch (tpi)
40 left internal (includes through thread)
Thready Qty Per Inch (tpi)
56 right external
Thread Size
0.086 inches right external
Thread Size
0.112 inches left internal (includes through thread)
Material
Steel comp 303se standoff
Material Specification
Astma582 assn standard single material response standoff
Surface Treatment
Passivate standoff
Surface Treatment Specification
Qq-p-35 federal specification single treatment response standoff
Style Designator
Flanged with left internal thread
Thread Series Designator
Unc left internal (includes through thread)
Thread Series Designator
Unc right external
NSN
5340-01-161-9143
Part Number
1663257
Description
Standoff,threaded,spacing
CAGE
05869

Part 1663257 NSN 5340-01-161-9143

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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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