Model: 4538-440-SS-20
Spacing Threaded StandoffProperties:
Thread Class
3b left internal (includes through thread)
Thread Class
3b right external
Thread Direction
Right-hand left internal (includes through thread)
Thread Direction
Right-hand right external
Thread Length
0.188 inches left internal (includes through thread)0.250 inches right external
Flange Thickness
0.750 inches
Length
0.938 inches
Flange Width Across Flats
0.250 inches
Thready Qty Per Inch (tpi)
40 left internal (includes through thread)
Thready Qty Per Inch (tpi)
40 right external
Thread Size
0.112 inches right external
Thread Size
0.112 inches left internal (includes through thread)
Material
Stainless steel standoff
Material Specification
Qq-s-764, cond a federal specification single material response standoff
Surface Treatment
Passivate standoff
Surface Treatment Specification
Mil-f-14072 -e300 military 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
5340-01-158-1513
Part Number
4538-440-SS-20
Description
Standoff,threaded,spacing
CAGE
Part 4538-440-SS-20 NSN 5340-01-158-1513
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 indicatorsHMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X Packaging & Shipping
Pack Size:
-- Paclk Weight:
1.0000lbs Item Weight:
-- Item Dim:
-- OPI:
O SPI No.:
SPI Rev.:
SPC Mkg:
00 LVL_A:
E LVL_B:
Q Freight Classification
NMFC:
093486 UFC:
48950 LTL:
RATING VARIABLE LCL:
-- WCC:
575 TCC:
Z SHC:
9 ACC:
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