MPN

RS PRO Nitrile Rubber O-Ring O-Ring, 7/8in Bore, 1 1/8in Outer Diameter

RS Stock No.:: 689-732
Brand:: RS PRO

RS PRO Nitrile Rubber O-Ring O-Ring, 7/8in Bore, 1 1/8in Outer Diameter

Bulk discount available

Subtotal (1 bag of 50 units)*

£9.66

(exc. VAT)

£11.59

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

21 unit(s) ready to ship
Plus 11 unit(s) ready to ship from another location
Plus 999,999,978 unit(s) shipping from 25 September 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Bag(s)	Per Bag	Per unit*
1 - 4	£9.66	£0.193
5 - 9	£9.48	£0.19
10 - 24	£9.29	£0.186
25 +	£9.08	£0.182

*price indicative

RS Stock No.:: 689-732
Brand:: RS PRO

RS PRO Nitrile Rubber Imperial O-Rings

RS PRO imperial O-Rings made from Nitrile, the most widely used elastomer in sealing applications. These O-Rings have an excellent resistance to petroleum products and work well in either low or high temperatures. Nitrile is highly resistant to abrasion and is an ideal choice in most industries.

Features and Benefits:

Nitrile rubber material
Hardness 70 shore
Continuous operating temperature -40°C to 110°C, short term to 135°C
Resistant to mineral hydraulic oils and greases
Tolerance BS4518

Typical Applications:

Nitrile (NBR) is suitable for use within applications running at a maximum continuous temperature of 120°C (or up to 150°C intermittently). Use below -30°C requires special consideration. Seals and O-rings are used in various fields and industries including:
Automotive
Plumbing
Aerospace
General engineering

FAQs
Types of Seals and O-rings
Seals and O-rings come in various materials suited to different purposes. Some have a high temperature tolerance for use in both hot and cold applications, while others are made to be chemically resistant for use in lab or test equipment. Available in a wide range of sizes both in single size packs or in seal and O-ring kits for general maintenance. Sizes vary between seal and ring types both in diameter and thickness, these variations help provide an exact and precise seal to protect the joint. Both Metric and Imperial sizes are available to replace new and old seals and rings whether maintaining modern parts or older machines, engines and other mechanical parts.

Why RS PRO?
RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.

Caution

NBR is not suitable with Esters, Ozone, Retones, Aldehydes,Chlorinated and Nitro Carbons

Hardness: NITRILE 70 SHORE

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	RS PRO
	Type	O-Ring
	Material	Nitrile Rubber
	Inside Diameter	7/8in
	Outside Diameter	1 1/8in
	Thickness	1/8in
	Minimum Operating Temperature	-30°C
	Maximum Operating Temperature	+120°C

	Select all
	Brand RS PRO
	Type O-Ring
	Material Nitrile Rubber
	Inside Diameter 7/8in
	Outside Diameter 1 1/8in
	Thickness 1/8in
	Minimum Operating Temperature -30°C
	Maximum Operating Temperature +120°C

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