MIL-G-47033 Glass | McMaster-Carr

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Refractive Index

Thermal Conductivity @ Temperature

7.8 BTU⋅in/(hr⋅ft²⋅°F) @ 194° F

1.2 BTU⋅in/(hr⋅ft²⋅°F) @ 212° F

Export Control Classification Number (ECCN)

EAR99

Density

0.08 lb/in³

DFARS Specialty Metals

Exempt

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68 Products

Borosilicate Glass Rods and Discs

Also called Pyrex and Schott glass, this glass resists clouding and pitting and is highly chemical and heat resistant. With a low rate of thermal expansion, it stays dimensionally stable during changes in temperature.

Also Available: Other disc sizes. Please select 8477K98 and specify the diameter and length.

Rods

					Temp.			12" Long		24" Long
	Dia.	Dia. Tolerance	Edge Fabrication	Mil. Spec.	Min.	Max., ° F	Color		Each		Each
Annealed



		1/2"	-0.020" to 0.020"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	0000000	000000


		5/8"	-0.024" to 0.024"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	0000000	00000
		3/4"	-0.031" to 0.031"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	0000000	00000
		1"	-0.039" to 0.039"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	0000000	00000
		1 1/4"	-0.051" to 0.051"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	0000000	00000
		1 1/2"	-0.067" to 0.067"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	0000000	000000
		2 mm	-0.400 mm to 0.400 mm	Ground	MIL-G-47033	Not Rated	445	Clear	000000	0000	000000	0000
		3 mm	-0.400 mm to 0.400 mm	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	0000	0000000	0000
		4 mm	-0.400 mm to 0.400 mm	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	0000	0000000	0000
		5 mm	-0.400 mm to 0.400 mm	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	0000	0000000	0000
		6 mm	-0.400 mm to 0.400 mm	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	0000	0000000	0000


		7 mm	-0.400 mm to 0.400 mm	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	0000	0000000	0000
		8 mm	-0.400 mm to 0.400 mm	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	0000	0000000	0000

Discs

					Temp.
	Dia.	Dia. Tolerance	Edge Fabrication	Mil. Spec.	Min.	Max., ° F	Color		1/8" Long	3/16" Long	1/4" Long	3/8" Long	1/2" Long	5/8" Long	3/4" Long
Annealed



		1"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	000000	000000	000000	000000	000000	000000	000000


		1 1/4"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		1 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		1 3/4"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		2"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		2 1/4"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		2 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		2 3/4"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		3"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		3 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		3 3/4"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	000000


		4"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		4 1/4"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		4 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	00000
		5"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	00000	00000	000000
		5 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	00000	000000	000000	000000
		6"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	000000	000000	000000	000000
		6 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	Not Rated	445	Clear	0000000	00000	00000	00000	000000	000000	000000	000000

Borosilicate Glass Tubes

							Temp.
	OD	ID	Wall Thk.	Lg.	Lg. Tolerance	Edge Fabrication	Min.	Max., ° F	Mil. Spec.	Color		Each
Annealed



		0.25"	0.160"	0.047"	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	00000


		0.375"	0.220"	0.079"	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	0000
		0.5"	0.310"	0.094"	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	00000
		0.5"	0.380"	0.063"	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	0000
		0.625"	0.440"	0.094"	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	00000
		0.625"	0.500"	0.063"	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	0000
		0.75"	0.500"	0.126"	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	00000
		0.75"	0.620"	0.063"	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	00000
		0.875"	0.620"	0.126"	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	00000
		1"	0.690"	0.157"	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	00000
		1"	0.810"	0.094"	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	00000


		5 mm	0.600 mm	2.2 mm	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	0000
		6 mm	1.200 mm	2.4 mm	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	0000
		6 mm	2.700 mm	1.65 mm	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	0000
		7 mm	3.000 mm	2 mm	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	0000
		8 mm	3.000 mm	2.5 mm	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	0000
		9 mm	3.000 mm	3 mm	12"	-0.031" to 0.031"	Ground	Not Rated	445	MIL-G-47033	Clear	0000000	00000

Pressure-Rated Borosilicate Glass Discs

Commonly used as sight glass. Also called Pyrex and Schott glass, borosilicate glass resists clouding and pitting and is highly chemical and heat resistant. With a low rate of thermal expansion, it stays dimensionally stable during changes in temperature.

							Temp.
	Dia.	Dia. Tolerance	Lg.	Lg. Tolerance	Edge Fabrication	Max. Pressure, psi	Min.	Max., ° F	Mil. Spec.	Color		Each
Annealed



		3 1/2"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	Ground	175	Not Rated	445	MIL-G-47033	Clear	0000000	000000


		4"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	Ground	150	Not Rated	445	MIL-G-47033	Clear	0000000	00000
		4 1/2"	-0.015" to 0.015"	3/8"	-0.031" to 0.031"	Ground	35	Not Rated	445	MIL-G-47033	Clear	0000000	00000
		5"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	Ground	100	Not Rated	445	MIL-G-47033	Clear	0000000	00000
		6"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	Ground	75	Not Rated	445	MIL-G-47033	Clear	0000000	000000
		6 3/4"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	Ground	55	Not Rated	445	MIL-G-47033	Clear	0000000	000000
		8 3/8"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	Ground	35	Not Rated	445	MIL-G-47033	Clear	0000000	000000