Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEL4KNE  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
RS PRO Nitrile O-Ring, 1.85mm Bore, 4.85mm Outer Diameter
RS PRO
RS PRO Nitrile O-Ring, 1.85mm Bore, 4.85mm Outer Diameter
Part No.
255-6777
Procurement Intelligence
RS PRO standard nitrile O-ring for general-purpose sealing applications in hydraulic, pneumatic, and mechanical systems. Installation requires groove conformance to ISO 3384 standards and proper gland design. Critical verification: confirm AS568 or ISO 6402 size code equivalency (appears to be AS568-004 or ISO 6402-1-004) against your gland specifications to prevent leakage.
Hydraulic and pneumatic sealing
Before ordering — verify:
☐ Chemical compatibility verification
☐ Gland groove tolerances
☐ Temperature range limits
Technical Specifications
Inside Diameter1.85mm
Outside Diameter4.85mm
Thickness1.5mm
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-1-85mm-bore-4-85mm-outer-diameter?mal=6628ac9512f5f0d90dce5e5e
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.