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Brass Fluid Level Sight Glass w/ Reflector – 1" NPT Thread – J.W. Winco 1PTK3

Original price was: $36.95.Current price is: $25.87.

SKU: J.W. Winco WBB2225537 Categories: Door & Window Hardware, Viewers Tags: 0.091 TPI, 1" NPT, Brass, Fasteners & Hardware, GN743.7, J.W. Winco, Natural Glass, NBR Rubber (Perbunan)

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The conical thread of GN 743.7 fluid level sight glasses makes a metallic seal possible. When the male thread is tightened, it wedges itself within the appropriate female thread. At the reference level “a,” the male thread has the same thread diameter as the female thread, so that it can be fastened in by hand. The secure tightening by means of a tool increases the length of engagement and seals the screw connection. Additionally a sealant (fibrous or teflon band) is usually used. The thread is “roughened,” so that the sealant does not shift during fastening. Fluid level sight glasses GN 743.7 can be used on pressurized oil tanks. Temperature resistant to 230° F (110° C).

Thread Size	1 NPT (Male/Female) in
Series	GN743.7
Manufacturers Part Number	1PTK3
Reflector Material	Heat-Resistant Technopolymer Plastic (Polysulfon)
Country of Origin	Import
Female Thread	1" NPT
Sight Glass Body Material	Brass
Sight Glass Material	Natural Glass
Thread Pitch	0.091 TPI
Across Flats	1.37" (35mm)
Male Thread	1" NPT
O-Ring Material	NBR Rubber (Perbunan)
Diameter	.94"
Point to Point	1.59"
Height	.31"
Thread Length	.87 in
Useable Thread	.66"
Brand	J.W. Winco