Glossary Table
| Title | Meaning | Category |
|---|---|---|
| ANSI | American National Standards Institute | Standards & Authorities |
| Rp | Same as BSPP, G | Fittings & Fitments |
| API | American Petroleum Institute | Standards & Authorities |
| AS | Aerospace Standard | Fittings & Fitments |
| ASME | American Society of Mechanical Engineers | Standards & Authorities |
| ASTM | American Society for Testing and Materials | Standards & Authorities |
| AWWA | American Water Works Association | Standards & Authorities |
| BA | British Association | Standards & Authorities |
| Ballcock | A float-style fill valve | Fittings & Fitments |
| BSC | British Standard Cycle | Fittings & Fitments |
| BSF | British Standard Fine | Fittings & Fitments |
| BSP | British Standard Pipe | Fittings & Fitments |
| BSPP | British Standard Pipe Parallel | Fittings & Fitments |
| BSPT | British Standard Pipe Taper | Fittings & Fitments |
| BSW | British Standard Whitworth | Fittings & Fitments |
| DIN | Deutsches Institut für Normung (German Institute for Standardization) | Standards & Authorities |
| DNA | Deutscher Normenausschuss (German Standardisation Committee) | Standards & Authorities |
| FIP | Female Iron Pipe (NPT) | Fittings & Fitments |
| FPT | Female Pipe Taper (NPT) | Fittings & Fitments |
| G. | Same as BSPP | Fittings & Fitments |
| GHT | Garden Hose Thread | Fittings & Fitments |
| ISO | International Standards Organization | Standards & Authorities |
| JIC | Joint Industry Council | Fittings & Fitments |
| JIS | Japanese Industrial Standard | Standards & Authorities |
| M | Metric thread designation | Fittings & Fitments |
| MIP | Male Iron Pipe | Fittings & Fitments |
| MPT | Male Pipe Taper (NPT) | Fittings & Fitments |
| MS | Military Standard (US) | Standards & Authorities |
| MSS | Manufacturers Standardization Society | Standards & Authorities |
| NACE | National Association of Corrosion Engineers | Standards & Authorities |
| NADI | Normenausschuss der deutschen Industrie (Standardisation Committee of German Industry) | Standards & Authorities |
| NAS | National Aerospace Standard | Fittings & Fitments |
| NFPA | National Fire Protection Association | Standards & Authorities |
| NH | National Hose | Fittings & Fitments |
| NPS | National Pipe Straight | Fittings & Fitments |
| NPSH | National Pipe Straight Hose | Fittings & Fitments |
| NPSL | National Pipe Straight Locknut | Fittings & Fitments |
| NPSM | National Pipe Straight Mechanical | Fittings & Fitments |
| NPT | National Pipe Taper | Fittings & Fitments |
| NPTR | National Pipe Taper Railing | Fittings & Fitments |
| NST | National Standard Thread | Fittings & Fitments |
| R. | Same as BSPT | Fittings & Fitments |
| Rc | Same as BSPT, R | Fittings & Fitments |
| SAE | Society of Automotive Engineers | Standards & Authorities |
| Storz | Sexless fire hose coupling | Fittings & Fitments |
| UN | Unified National | Standards & Authorities |
| UNC | Unified National Coarse | Standards & Authorities |
| UNEF | Unified National Extra Fine | Standards & Authorities |
| UNF | Unified National Fine | Standards & Authorities |
| UNR | Unified National Radius | Standards & Authorities |
| UNS | Unified National Special | Standards & Authorities |
| UTS | Unified Thread Standard | Standards & Authorities |
| ORFS | O-Ring Face Seal | Fittings & Fitments |
| B-Nut | Flare Nut; The nut that maintains the attachment of a flare fitting. | Fittings & Fitments |
| AND | Air Force-Navy Design Standard | Fittings & Fitments |
| AN | Air Force-Navy or Army-Navy (no one seems sure of which) | Fittings & Fitments |
| AC | Air Corp | Fittings & Fitments |
| AIA | Aerospace Industries Association | Fittings & Fitments |
| Street Elbow | An Elbow pipe fitting having a female fitment and a male fitment. F-NPT by M-NPT -or- F-BSPT by M-BSPT | Fittings & Fitments |