70 Durometer Buna-N O-Ring, Inch OD, 5-3/8 Inch ID, 0.28 Inch Width

Actual I.D.
5.35
Actual O.D.
5.90
Actual Width
0.275 in
Dash Size
-432
Brand
Hercules Sealing Products
Brand
Hercules Sealing Products
Pack Size
1.00
UOM
EA
Nominal I.D. (in)
5-3/8
Nominal O.D.
5-7/8
Nominal Width
1/4
Package Qty.
4
Supplier Part Number
568-432
Alternate Part Numbers
Alternate Part Number C1CG56, Alternate Part Number MI-08740592, Alternate Part Number MINO-00407X21615
Product Weight
0.05 lbs

Product Questions & Answers

got an old -432 o-ring im replacing. are these the right size or is that just a catalog number?
Question by: Dean W on Jul 22, 2025, 2:08 PM
The dash size is -432, and the nominal dimensions are 5-3/8 inch ID, 5-7/8 inch OD, with a 1/4 inch nominal width. The actual measurements are listed as 5.35 inch ID, 5.9 inch OD, and 0.275 inch width, so you can match it up to what you pulled out.
Answer by: Customer Support on Jul 24, 2025, 1:05 PM
What's the max temperature this o-ring can handle?
Question by: Sherry J on Aug 21, 2025, 8:03 PM
This Buna-N o-ring is rated to handle temperatures from -40°F up to 240°F.
Answer by: Customer Support on Aug 23, 2025, 7:10 PM
Got an old pump housing that takes a 5-7/8 OD o-ring with a 1/4 inch cross section, this the right one to grab?
Question by: Lance M on Jul 19, 2025, 11:57 AM
those dimensions line up. The actual OD on this one measures 5.9 inches, the ID comes in at 5.35, and the cross section width is 0.275 inches. The nominal sizes are 5-7/8 OD and 1/4 inch width, so if that's what your housing calls for, this should drop right in. It's also sold in a pack of four, so you'll have spares on hand if you need them.
Answer by: Customer Support on Jul 20, 2025, 4:52 PM

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