Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEMZHAN  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
RS PRO Nitrile O-Ring, 1.989in Bore, 54.08mm Outer Diameter
RS PRO
RS PRO Nitrile O-Ring, 1.989in Bore, 54.08mm Outer Diameter
Part No.
256-2255
Procurement Intelligence
RS PRO standard nitrile O-Ring series for general sealing applications in hydraulic, pneumatic, and mechanical assemblies. This metric/imperial hybrid size (1.989in bore, 54.08mm OD) requires cross-dimensional verification against drawing callouts to prevent fit failures. Critical verification: confirm bore diameter and gland depth compatibility with your specific cavity design.
Hydraulic cylinder rod seal
Before ordering — verify:
☐ Metric/Imperial conversion risk
☐ Gland depth compliance
☐ Temperature range validation
Technical Specifications
Inside Diameter1.989in
Outside Diameter54.08mm
Thickness0.07in
MaterialNitrile
TypeO-Ring
Minimum Operating Temperature-30°C
Maximum Operating Temperature+90°C
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/mechanical/bearings-seals/gaskets-seals-packings/gaskets-o-rings/rs-pro-nitrile-o-ring-1-989in-bore-54-08mm-outer-diameter?mal=6628ac4012f5f0d90dcd4dda
This document confirms the above specification is available in the ACG Industrial catalogue. Pricing and availability on request. Forward to your procurement team to initiate an RFQ.