Model: 637-6375-004

Spacing Threaded Standoff

Properties:

Thread Class
2a right external
Thread Class
2b left internal (includes through thread)
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)
Thread Length
0.218 inches right external
Length
0.300 inches
Cross-sectional Shape
Hexagon
Width Across Flats
0.187 inches
Thready Qty Per Inch (tpi)
40 right external
Thready Qty Per Inch (tpi)
56 left internal (includes through thread)
Thread Size
0.086 inches left internal (includes through thread)
Thread Size
0.112 inches right external
Right Projection Diameter
0.112 inches
Right Projection Length
0.218 inches
Material
Steel comp 303
Material Specification
Astma582 cond a assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Left internal and right external thread
Thread Series Designator
Unc left internal (includes through thread)
Thread Series Designator
Unc right external
NSN
5340-01-378-3143
Part Number
637-6375-004
Description
Standoff,threaded,spacing
CAGE
13499

Part 637-6375-004 NSN 5340-01-378-3143

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:
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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