Glass Sights | McMaster-Carr

Filter by

System of Measurement

Pipe Size

Material

Thread Type

UN/UNF (SAE Straight)

UNF

UNS

For Use With

Alcohol-Based Solvents

Acetic Acid (White Vinegar)

Window Diameter

Maximum Pressure @ Temperature

Maximum Temperature

Fitting Connection

Window Material

Thread Size

Hex Size

For Liquid Appearance

Clear

Dark

Connection Center-to-Center

Gender

Mount Type

Shape

Connects To

Hole Diameter

Minimum Temperature

Seal Material

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

Exempt

Forward

How can we improve?

882 Products

Sights

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

85 products

Shatter-Resistant Sights

Window and body are made from a single piece of plastic for shatter resistance

17 products

High-Visibility Sights

An indicator ball lets you view liquid movement and level changes from afar

25 products

High-Pressure Sights

Thick glass fused to a metal body resists cracking at high pressures

21 products

Weld-On Sights

Weld to single-wall tanks in equipment such as process vessels and mixers

6 products

Easy-View Flanged Sights

Check tank contents from multiple angles through the domed window
The extended flange is easily bolted to tank walls

1 product

High-Temperature Sights

Quartz window withstands heat up to 1600° F in equipment such as kilns

6 products

Sights for Quick-Clamp Sanitary Tube Fittings

Connect to quick-clamp fittings in food processing lines

12 products

Through-Wall Sights

Mount in unthreaded holes from the inside of your tank using a lock nut

24 products

Press-Fit Through-Wall Sights

Press into a hole from the outside of your tank, no mounting nuts required

3 products

Easy-View Sights

View tank contents from multiple angles through the plastic domed window

6 products

Easy-View All-Plastic Sights

View tank contents from multiple angles through the plastic domed window

6 products

Flanged Sights

The extended flange is easily bolted to tank walls

5 products

Ultra-High-Vacuum Flanged Sights

A CF flange bolts onto vacuum chambers, tee fittings, and manifolds

11 products

Sights for Oil Inspection

Reservoir is made of clear plastic so you can monitor oil quality

6 products

High-Vacuum Sights for Quick-Clamp Fittings

Connect to ISO-KF quick-clamp connections on high-vacuum chambers

12 products

Other Products

Liquid-Level Gauges

Monitor fluid levels in containers

484 products

Flow Sights

Visually confirm flow and inspect liquid color and clarity

113 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

2 products