4820-01-434-6671 CAP,VALVE Index 4730-01-434-6673 UNION,PIPE

National Stock Number:
4730-01-434-6672

Federal Supply Class:
4730

National Item Identification Number:
014346672

Description:
NUT,UNION

Detail:
AN INTERNALLY THREADED NUT WHICH HAS AN INTERNAL SEAT OR SHOULDER DESIGNED TO ENGAGE THE NUT RETAINING FLANGE OF A UNION TAILPIECE. THE THREADED PORTION IS USED TO ENGAGE THE THREAD PIECE OF A UNION, UNION ELBOR OR THE LIKE. EXCLUDES NUT (1), TUBE COUPLING.


Manufacturer Information:
2633-791-0496169ELECTRIC BOAT CORPORATION
2633-791-04PC896169ELECTRIC BOAT CORPORATION
675823853711NAVAL SEA SYSTEMS COMMAND
801-6758238 PC853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIESUNS
NOMINAL THREAD SIZE2.312 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALNICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT STYLEHEXAGON
SHOULDER WIDTH0.250 INCHES MINIMUM AND
0.266 INCHES MAXIMUM
NUT HEIGHT1.234 INCHES MINIMUM AND
1.266 INCHES MAXIMUM
WIDTH ACROSS FLATS2.734 INCHES MINIMUM AND
2.766 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER1.940 INCHES MINIMUM AND
1.943 INCHES MAXIMUM
SHOULDER STEP WIDTH0.312 INCHES MINIMUM AND
0.328 INCHES MAXIMUM
SHOULDER SEAT DIAMETER2.317 INCHES MINIMUM AND
2.327 INCHES MAXIMUM
TEMP RATING125.0 DEG FAHRENHEIT NOMINAL
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED3000.0 POUNDS PER SQUARE INCH WATER


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