Ball Levels | McMaster-Carr

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Maximum Side-to-Side Tilt Angle Measured

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Graduations

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

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EAR99

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34 Products

1-Axis Tilt Angle Indicators

A ball inside a level tube indicates the side-to-side tilt angle.

					Overall
	Side-to-Side Tilt Angle Measuring Range	Accuracy	Graduations	Angle Numeric Increments	Lg.	Wd.	Ht.	Material	Color		Each
Angle Indicators



		0° to 3°	±0.5°	0.5°	1°	9"	1 1/8"	2"	Plastic	Black	00000000	000000


		Adhesive Back



				0° to 6°	±0.8°	1°	2°	3 5/8"	3/8"	5/8"	Plastic	Black	00000000	00000


				0° to 6° 0° to 26°	±1° ±1.2°	1° 1°	2° 5°	5 1/8"	7/8"	2 1/8"	Plastic	Black	00000000	00000
				0° to 10°	±1°	1°	5°	3 1/2"	3/8"	1 1/2"	Plastic	Black	00000000	00000
				0° to 15°	±1.5°	5°	5°	5"	1/2"	2"	Plastic	Black	00000000	00000
				0° to 26°	±1.2°	1°	5°	5 1/8"	1/2"	2 1/8"	Plastic	Black	00000000	00000
				0° to 45°	±1.8°	5°	15°	3 1/2"	3/8"	1 5/8"	Plastic	Black	00000000	00000
				0° to 45°	±1.8°	5°	15°	4"	3/8"	1 3/4"	Plastic	Black	00000000	00000
				0° to 50°	±2°	5°	10°	6 3/8"	3/4"	2 7/8"	Plastic	Black	00000000	00000

High-Visibility Sights

Easily view liquid movement and level changes from a distance—these sights have an indicator ball inside the glass window. They also have a reflector that makes dark liquid easy to see, especially in low-light conditions.

Brass with Glass Window

Image of Product. Front orientation. Sights. High-Visibility Sights.

Brass sights have good corrosion resistance.

								For Dark Liquids
	Pipe Size	Window Dia.	Hex Size	Max. Pressure @ Temp.	Temp. Range, ° F	For Use With	Seal Material		Each
NPTF Male







				With Indicator Ball

				3/8	7/16"	3/4"	100 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	000000


				3/8	7/16"	3/4"	415 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	00000
				1/2	9/16"	7/8"	100 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	00000
				1/2	9/16"	7/8"	250 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	00000
				3/4	3/4"	1 1/8"	60 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	00000
				3/4	3/4"	1 1/8"	200 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	00000
				1	15/16"	1 7/16"	60 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	00000
				1	15/16"	1 7/16"	100 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	00000
				1 1/4	1 1/8"	1 3/4"	60 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	00000
				1 1/4	1 3/16"	1 3/4"	25 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	00000
				1 1/2	1 3/8"	2"	50 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	00000


				1 1/2	1 7/16"	2"	25 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	00000
				2	1 7/8"	2 1/2"	10 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	000000
				2	1 7/8"	2 1/2"	20 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	0000000	000000

Steel with Glass Window

UN/UNF (SAE Straight) Thread—UN/UNF (SAE Straight) threads are also known as O-ring boss threads.

										For Dark Liquids
	Pipe Size	Thread Size	Window Dia.	Hex Size	Max. Pressure @ Temp.	Temp. Range, ° F	For Use With	Seal Material	Specs. Met		Each
NPT Male







				With Fused Window and Indicator Ball

				1/2	—	1/2"	1"	125 psi @ 70° F	-40 to 250	Water, Hydraulic Fluid, Diesel Fuel	—	—	0000000	000000


				1	—	1"	1 3/8"	125 psi @ 70° F	-40 to 250	Water, Hydraulic Fluid, Diesel Fuel	—	—	0000000	00000
				1 1/4	—	1 1/4"	1 3/4"	125 psi @ 70° F	-40 to 250	Water, Hydraulic Fluid, Diesel Fuel	—	—	0000000	00000
				1 1/2	—	1 1/2"	2"	125 psi @ 70° F	-40 to 250	Water, Hydraulic Fluid, Diesel Fuel	—	—	0000000	00000
				2	—	2"	2 1/2"	125 psi @ 70° F	-40 to 250	Water, Hydraulic Fluid, Diesel Fuel	—	—	0000000	00000


				NPTF Male







								With Fused Window and Indicator Ball

								3/8	—	3/8"	3/4"	125 psi @ 70° F	-40 to 250	Water, Hydraulic Fluid, Diesel Fuel	—	—	0000000	00000


								3/4	—	3/4"	1"	125 psi @ 70° F	-40 to 250	Water, Hydraulic Fluid, Diesel Fuel	—	—	0000000	00000


								UN/UNF (SAE Straight) Male







												With Indicator Ball

												—	3/4"-16	9/16"	7/8"	75 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	SAE J1926/3	0000000	00000


												—	1 1/16"-12	3/4"	1 1/4"	75 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	SAE J1926/3	0000000	00000
												—	1 5/16"-12	15/16"	1 1/2"	75 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	SAE J1926/3	0000000	00000
												—	1 7/8"-12	1 7/16"	2"	20 psi @ 70° F	-40 to 180	Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based)	Buna-N	SAE J1926/3	0000000	00000