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National Stock Number: 4730-00-957-2283
Federal Supply Class: 4730
National Item Identification Number: 009572283
Description: TRAP,DRAINAGE PIPE
Detail: A DEVICE DESIGNED TO BE CONNECTED TO A DRAINAGE SYSTEM TO PREVENT SEWER GAS FROM BACKING UP BEYOND A DESIRED POINT BY FORMING A WATER SEAL IN THE LINE. THIS IS ACCOMPLISHED BY ITS PECULIAR SHAPE, WHICH IS USUALLY IN THE FORM OF THE LETTER P AND S. IT IS PROVIDED WITH AN INTERNAL SHOULDER(S) AT THE END(S) OF ITS INTERNAL THREADED OR UNTHREADED PORTION, WHOSE INSIDE DIAMETER CONFORMS TO STANDARD WEIGHT WROUGHT IRON PIPE OR COPPER DRAINAGE, WASTE AND VENT (DWV) TUBE. WHEN CONNECTED, THE MATING PIPES MAKE UP CLOSE TO THE SHOULDERS TO ELIMINATE POCKETS AND PROVIDE A SMOOTH FLOW OF PIPE AND/OR PIPE FITTING CONTENTS. EXCLUDES TRAP, DRAIN, PLUMBING FIXTURE; AND TRAP, SOIL PIPE.
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Manufacturer Information:
WWP491 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
CONNECTION STYLE | DRAINAGE (PIPE) 1ST END | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END | NOMINAL PIPE SIZE ACCOMMODATED | 3.000 INCHES 1ST END | NOMINAL THREAD SIZE | 3.000 INCHES 1ST END | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 STYLE | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A126 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | IRON OVERALL | THREAD SERIES DESIGNATOR | NPT 1ST END | STYLE DESIGNATOR | P-TRAP WITH CLEAN-OUT | SURFACE TREATMENT | LACQUER OUTSIDE OR ENAMEL OUTSIDE |
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