Fitting O vs Quick Markdown Viewer

Use this app to find the correct O-ring for one of the many listed Hydraulic Fitting types. Select the fitting style, and the app will give you details on that style along with a list of the various common sizes and the standard O-ring that fits that size. Select a size from that list for more information about that O-Ring to help you locate it. Fittings covered are: • Flange, both Code 61 & 62 • O-Ring Face fitting • O-Ring Boss Port • BSPP, British Standard Parallel Port • ISO 6149 Metric Port • ISO 9974 Metric Port • DIN 2353 tube fittings • JIS, Japanese Industrial Standard Port (BSPP) Sizes use either the US industry standard Dash size or metric. US dash is based on 1/16" and parts are called out as: -2, -4, -6. Where -2 is 2/16" or 1/8" and -8 is 8/16" or 1/2" and so forth. Whenever possible the SAE AS568 standard O-Ring size is used. If not available then the conventional metric ID x Cross based on the fitting size is used. For the JIS Port JIS B2401 sizes are specified.

Quick Markdown Viewer is a local-first reader for Markdown folders, documentation packets, CSV/TSV tables, and media-rich notes on Mac, iPhone, and iPad. Open a folder of files you already have, or open a public GitHub repository URL when you need to inspect remote docs. The app keeps reading fast and direct: no account, no subscription, no in-app purchase, and no tracking layer. Features: - Open local folders and browse Markdown, CSV, and TSV files in a file sidebar - Open JSON, JSONC, NDJSON, and JSONL files with collapsible structured rows - Read JSON-family fenced code blocks inside Markdown without switching apps - Expand and collapse folders, filter large file trees, and use keyboard navigation on macOS - Search the current document with Command-F or all open documents with Command-Shift-F - Click search results in the sidebar to jump to matches highlighted in the document - Read Markdown with native rendering for headings, lists, tables, code blocks, links, images, GIFs, and local video - Render Mermaid diagrams natively, then zoom and pan diagram previews - Detach Mermaid diagram previews into resizable macOS windows - Open a document outline, jump to headings, and track the current section while reading - Open CSV and TSV files as native tables with controls for wrapping and sizing - Preview linked media without converting your Markdown files - Print the current document or assemble a cancellable background Print All packet - Preview Markdown from Finder with the macOS Quick Look extension - Install the optional `qmv` command-line launcher on macOS and open supported files directly from Terminal - Open public GitHub repository and repository tree URLs, including branch and tag paths - Hide dependency and vendor folders with editable ignore patterns per window - Navigate between files with back and forward history - Adjust viewer font size for comfortable reading Quick Markdown Viewer is designed to stay lightweight and direct: - no account required - no subscription - no in-app purchase - no tracking - no web view renderer