4730-00-223-7079, UNION,PIPE

National Stock Number:
4730-00-223-7079

Federal Supply Class:
4730

National Item Identification Number:
002237079

Description:
UNION,PIPE

Detail:
A straight pipe fitting designed to join two lengths of pipe or pipe fittings in such a manner that they may be disconnected without disturbing the rest of the pipe line. The end connections have pipe threads or are unthreaded and designed to accommodate a pipe.

Manufacturer Information:

519	14959	CRANE CO DIV VALVE DIV
ASME-B16.39	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
ASMEB16.39-37-T-A	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
B16.39	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
WWU531-37TA	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC

Techincal Specification:

CONNECTION TYPE	THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE	PLAIN (PIPE) ALL ENDS
COUPLING FLANGE SHAPE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-I-666 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A47 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A197 ASSN STD 1ST MATERIAL RESPONSE OR ANSI G49.1 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A675 ASSN STD 2ND MATERIAL RESPONSE TAILPIECE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-I-666 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A47 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A197 ASSN STD 1ST MATERIAL RESPONSE OR ANSI G49.1 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A675 ASSN STD 2ND MATERIAL RESPONSE THREAD PIECE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-I-666 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A47 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A197 ASSN STD 1ST MATERIAL RESPONSE OR ANSI G49.1 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A675 ASSN STD 2ND MATERIAL RESPONSE NUT
MATERIAL	COPPER ALLOY SEAT
MATERIAL	IRON ALLOY OR STEEL NUT
MATERIAL	IRON ALLOY OR STEEL TAILPIECE
MATERIAL	IRON ALLOY OR STEEL THREAD PIECE
MAXIMUM OPERATING TEMP	450.0 FAHRENHEIT FIRST RESPONSE
MAXIMUM OPERATING TEMP	450.0 FAHRENHEIT SECOND RESPONSE
MEDIA FOR WHICH DESIGNED	STEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNED	WATER-OIL-GAS SECOND RESPONSE
NOMINAL OVERALL LENGTH	2.070 INCHES
NOMINAL THREAD SIZE	0.750 INCHES ALL ENDS
SEAT TYPE	GROUND-JOINT
STYLE DESIGNATOR	SCREWED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OR ASTM A153,CLASS A ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC NUT
SURFACE TREATMENT	ZINC TAILPIECE
SURFACE TREATMENT	ZINC THREAD PIECE
THREAD SERIES DESIGNATOR	NPT ALL ENDS

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