Sight Glass | McMaster-Carr

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System of Measurement

Pipe Size

Material

Stainless Steel

Thread Type

UN/UNF (SAE Straight)

For Use With

Alcohol-Based Solvents

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Window Diameter

Maximum Temperature

Less than 250° F

250° F to 499° F

500° F to 999° F

1,000° F to 1,999° F

2,000° F or greater

Maximum Pressure @ Temperature

10 psi @ 70° F

20 psi @ 70° F

25 psi @ 70° F

30 psi @ 70° F

50 psi @ 70° F

60 psi @ 70° F

65 psi @ 70° F

75 psi @ 70° F

90 psi @ 70° F

100 psi @ 70° F

110 psi @ 70° F

120 psi @ 70° F

125 psi @ 70° F

130 psi @ 70° F

150 psi @ 70° F

Shape

Fitting Connection

Connection Center-to-Center

Window Material

OD

For Liquid Appearance

Hex Size

Thread Size

Connects To

Mount Type

Length

Gender

Overall Height

Minimum Temperature

-250° F or less

-249° F to -50° F

-49° F to 0° F

1° F to 34° F

35° F or greater

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

1,434 Products

Fluid Handling

Sights

Observe and monitor the contents of pipes, tanks, and other containers

Liquid-Level Gauges

Liquid-Level Gauges

Monitor fluid levels in containers

Flow Sights

Visually confirm flow and inspect liquid color and clarity

Raw Materials

Glass

Clear and highly heat and chemical resistant; often used in sights, lighting, and lab equipment

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

Sealing

Gauge Glass Gaskets

Gauge Glass Gaskets

Seal the glass on level indicators to monitor liquids without leaks

Containers, Storage, and Furniture

Density Meter Jars

Density Meter Jars

Add liquid and immerse a density meter until it floats for precise readings

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)