AS568
SAE J1926 ORB Boss O-Rings: AS568 900-Series Sizes That Actually Seal the Port
What SAE J1926 O-Ring Boss fittings need from the seal: AS568-901…932 boss O-Rings, how they differ from NPT and JIC, materials, install tips, and a Boss-only size chart.
The Master O-Ring Size Chart: What It Shows, Why It Helps, and Who It Is For
A practical guide to the handbook Master O-Ring Size Chart: multi-standard sizing, nearest-match search, tolerances, back-up rings, and who gets the most from it.
How to Measure an O-Ring With Your Phone: Inside Olypsys® Measurement Accuracy
How Olypsys® measures O-Rings with a smartphone, what actually drives its accuracy, and why gasket measurement is right around the corner.
AS568 O-Ring Size Chart (Dash Numbers)
AS568 O-Ring size chart with dash numbers, ID, CS, and OD in inches and millimeters for the 0xx through 4xx series, plus the history of the AS568 standard.
Backup Ring Size Chart (AS568)
AS568 back-up ring size chart with dash numbers, ID, width, height, and contour dimensions for high-pressure extrusion protection, plus how back-up rings fit the AS568 system.
O-Ring Groove Calculator
Free O-Ring groove calculator. Pick a gland type and an AS568 dash number and get groove depth, width, corner radius, lead-in chamfer, squeeze, and gland fill.
O-Ring Groove & Gland Dimension Charts
The complete O-Ring groove reference: interactive gland dimension charts for radial, face, dovetail, hydraulic, pneumatic, and floating styles, plus squeeze, fill, extrusion, finish, and install chamfer guides.
How to Measure an O-Ring
How to measure O-Ring ID and cross-section with calipers, pi-tape, size cones, slide gauges, and lab vision systems, and why we recommend Olypsys® first.
Master O-Ring Size Chart
Filterable multi-standard O-Ring size chart, search by ID or cross-section across AS568, ISO, JIS, BS, DIN and more.
ORB Boss O-Ring Size Chart (AS568 900-Series)
AS568 900-series ORB boss O-Ring size chart for SAE J1926 ports: dash, tube OD, thread, ID, CS, and OD, plus how boss seals fit the AS568 and J1926 story.
O-Ring Size Charts & Standards (AS568 & Metric)
AS568 and metric O-Ring size charts, dash numbers, groove design, and how to measure an existing seal.
Square Ring Size Chart (AS568 Dash)
Square ring size chart using AS568 dash numbers with ID, square-wall CS, and OD in inches and millimeters.
O-Ring Weight Calculator
Free O-Ring weight calculator. Enter an AS568 dash number or your own inside diameter and cross-section, pick a compound, and get weight per piece, per thousand, and pieces per pound.
X-Ring Size Chart (AS568 Dash)
X-Ring (Quad-Ring) size chart using AS568 dash numbers with ID, CS, and OD in inches and millimeters.
