Brass
Thin Hex Nuts
For Fluid Level Sight Glasses
GN 543.1
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GN 543.1

RoHS Compliant
GN 543.1
GN 543.1
Specification
Information

Hex nut: Brass
Thread: BSPP - British Standard Pipe Parallel

Thin hex nuts GN 543.1 are utilized with fluid level sight glasses when the mounting wall thickness is less than 4mm (.157")

See our Technical Section for pipe thread size details.
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Dimensions in:

millimeters
(inches)

Part
Number
d1
Pipe Thread
d2 + 0.5mm
b
s
e
G 3/8"
16.7
(.66)
3.5
(.14)
19
(.75)
22
(.87)
G 1/2"
21
(.83)
4
(.16)
26
(1.02)
30
(1.18)
G 3/4"
26.5
(1.04)
5
(.20)
31
(1.22)
35.5
(1.40)
G 1"
33.3
(1.31)
5
(.20)
37
(1.46)
42.5
(1.67)
G 1 1/4"
42
(1.65)
5.5
(.22)
46
(1.81)
52
(2.05)
G 2"
59.7
(2.35)
6.5
(.26)
65
(2.56)
73
(2.87)