Oil Sights | McMaster-Carr

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System of Measurement

Pipe Size

Thread Type

UN/UNF (SAE Straight)

Material

Stainless Steel

For Use With

Alcohol-Based Solvents

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Window Diameter

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 399° F

400° F to 499° F

500° F or greater

Thread Size

Fitting Connection

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

70 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

Window Material

For Liquid Appearance

Hex Size

Connection Center-to-Center

Gender

Shape

Connects To

Mount Type

Overall Height

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Minimum Temperature

-250° F or less

-249° F to -50° F

-49° F to 0° F

1° F to 24° F

25° F or greater

Seal Material

OD

How can we improve?

1,170 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

Flow Transmitters

Flow Transmitters

Send flow rate measurements to PLCs, data loggers, and remote displays

Sealing

Gauge Glass Gaskets

Gauge Glass Gaskets

Seal the glass on level indicators to monitor liquids without leaks

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