Model: 1661-D PART 1661-D-7

Spacing Threaded Standoff

Properties:

Thread Class
2a left external
Thread Class
2b right internal
Thread Direction
Right-hand left external
Thread Direction
Right-hand right internal
Thread Length
0.3125 inches left external
Thread Length
1.5000 inches right internal
Diameter
0.3750 inches
Length
2.4687 inches
Cross-sectional Shape
Round
Thready Qty Per Inch (tpi)
28 left external
Thready Qty Per Inch (tpi)
28 right internal
Thread Size
0.2500 inches left external
Thread Size
0.2500 inches right internal
Right Projection Diameter
0.2500 inches
Right Projection Length
0.3125 inches
Material
Copper alloy 360
Material Specification
Qq-b-626 federal specification single material response
Style Designator
Left internal and right external thread
Thread Series Designator
Unf left external
Thread Series Designator
Unf right internal
NSN
5340-01-456-0797
Part Number
1661-D PART 1661-D-7
Description
Standoff,threaded,spacing
CAGE
75545

Part 1661-D PART 1661-D-7 NSN 5340-01-456-0797

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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