Skip to the beginning of the images gallery

O-Ring for SAE O-Ring Boss (Straight Thread O-Ring) Fittings & Adapters, 0.63 Inch

Description & Features

Manufactured by Hercules Sealing Products, this Buna-N O-ring is rated at 90 durometer and designed specifically for use with SAE O-Ring Boss (Straight Thread O-Ring) Fittings & Adapters at a 0.625-inch tube size. The compound handles a temperature range of -30°F to +250°F, making it suitable for a wide range of hydraulic system environments.

The O-Ring for SAE O-Ring Boss (Straight Thread O-Ring) Fittings & Adapters, 0.63 Inch measures 0.755 inches ID and 0.949 inches OD, with a cross-section width of 0.097 inches. It is classified under the Split Flange O-Ring product line and corresponds to catalog number C1CL32.

SKU: B-910

Supplier Part Number (MPN): 568-910

Alternate Part Numbers: 3-910, C1CL32, H90910, MI-08748174, MINO-00407X88004

Specifications

Brand Hercules Sealing Products	Brand Hercules Sealing Products	Pack Size 1.00	UOM EA	I.D. 0.755 in	Materials Buna-N (90 durometer)	O.D. 0.949 in	Supplier Part Number 568-910	Temperature Range -30 to +250	Thread Sealant No	Tube Size 0.63	Product Weight 0.01 lbs	Alternate Part Numbers Alternate Part Number 3-910, Alternate Part Number 568-910, Alternate Part Number C1CL32, Alternate Part Number H90910, Alternate Part Number MI-08748174, Alternate Part Number MINO-00407X88004

Similar Products

Model Number	Tube Size	Materials	Temperature Range	I.D.	Width (E)	O.D.
22617-10 ORB Fitting/Adapter O-Ring	0.625	Buna-N (90 durometer)	-30 to +250	0.755 in	0.097	0.949 in
22617-12 ORB Fitting/Adapter O-Ring	0.75	Buna-N (90 durometer)	-30 to +250	0.924 in	0.116	1.156 in
22617-16 ORB Fitting/Adapter O-Ring	1	Buna-N (90 durometer)	-30 to +250	1.171 in	0.116	1.403 in
22617-4 ORB Fitting/Adapter O-Ring	0.25	Buna-N (90 durometer)	-30 to +250	0.351 in	0.072	0.495 in
22617-6 ORB Fitting/Adapter O-Ring	0.375	Buna-N (90 durometer)	-30 to +250	0.468 in	0.078	0.624 in
22617-8 ORB Fitting/Adapter O-Ring	0.5	Buna-N (90 durometer)	-30 to +250	0.644 in	0.087	0.818 in
B-904 ORB Fitting/Adapter O-Ring	0.25	Buna-N (90 durometer)	-30 to +250	0.351 in	0.072	0.495 in
B-912 ORB Fitting/Adapter O-Ring	0.75	Buna-N (90 durometer)	-30 to +250	0.924 in	0.116	1.156 in
B-916 ORB Fitting/Adapter O-Ring	1	Buna-N (90 durometer)	-30 to +250	1.171 in	0.116	1.403 in
22617-5 ORB Fitting/Adapter O-Ring	0.3125	Buna-N (90 durometer)	-30 to +250	0.414 in	0.072	0.558 in
B-903 ORB Fitting/Adapter O-Ring	0.188	Buna-N (90 durometer)	-30 to +250	0.301 in	0.064	0.429 in
B-906 ORB Fitting/Adapter O-Ring	0.375	Buna-N (90 durometer)	-30 to +250	0.468 in	0.078	0.624 in
B-908 ORB Fitting/Adapter O-Ring	0.5	Buna-N (90 durometer)	-30 to +250	0.644 in	0.087	0.818 in
B-914 ORB Fitting/Adapter O-Ring	0.875	Buna-N (90 durometer)	-30 to +250	1.047 in	0.116	1.279 in
B-920 ORB Fitting/Adapter O-Ring	1.25	Buna-N (90 durometer)	-30 to +250	1.475 in	0.118	1.711 in
B-924 ORB Fitting/Adapter O-Ring	1.5	Buna-N (90 durometer)	-30 to +250	1.72 in	0.118	1.956 in

Product Questions & Answers (2)

Question by: Earl J on Jan 28, 2026, 4:27 PM

What size is this O-ring actually for? The name says 0.63 inch, but the description says 0.625 inch.

Answer by: Customer Support on Jan 30, 2026, 4:21 PM

This O-ring is designed for use with SAE O-Ring Boss fittings and adapters that have a 0.625-inch tube size.

Question by: Randy P on Sep 11, 2025, 6:20 PM

got an ORB fitting for 5/8 tube size, is this the right o-ring or am i off a size?

Answer by: Customer Support on Sep 13, 2025, 8:26 AM

For a 0.625 inch tube size SAE O-Ring Boss straight thread fitting or adapter, this is the matching Buna-N O-ring. The dimensions are 0.755 inch ID, 0.949 inch OD, with a 0.097 inch cross-section.