4730-01-139-1549 TRAP,STEAM Index 5365-01-139-1551 SPACER,SLEEVE

National Stock Number:
5365-01-139-1550

Federal Supply Class:
5365

National Item Identification Number:
011391550

Description:
BUSHING,MACHINE THREAD

Detail:
A straight nonfluid fitting with wrenching facilities on one end and external threads, other than pipe or hose series, on the other end. It has an unthreaded through hole in its axis which may be countersunk and/or counterbored on one or both ends. It is designed to accommodate a shaft, or the like, or used to reinforce a hole in a bulkhead, or the like. For similar items specifically designed for use in a stuffing box, see PACKING NUT. For nonfluid items with an internal thread, see INSERT, SCREW THREAD; or ADAPTER BUSHING. Excludes REDUCER, BOSS; and items designed to accommodate a tube or tube fitting.


Manufacturer Information:
2640-670X2 PIECE 496169ELECTRIC BOAT CORPORATION
845-2180765 PIECE 480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
COUNTERSINK ANGLE IN DEG60.0
COUNTERSINK LOCATIONTHREADED END
FEATURES PROVIDEDCOUNTERSUNK
HOLE INSIDE DIAMETER2.058 INCHES MINIMUM AND 2.068 INCHES MAXIMUM
OVERALL LENGTH3.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-465, ALLOY 632M FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
NOMINAL THREAD SIZE4.000 INCHES
SCREW THREAD LENGTH1.000 INCHES NOMINAL
SPECIAL FEATURESTHREADED FLANGE ON WRENCHING END,THREAD LENGTH 1.000 IN. NOM,4.500-12 UN 2A RH
WIDTH ACROSS FLATS3.375 INCHES NOMINAL
WRENCHING FACILITY SHAPESQUARE
THICKNESS0.656 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH8
THREAD SERIES DESIGNATORUN


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