3120-01-221-1860, BEARING,SLEEVE

National Stock Number:
3120-01-221-1860

Federal Supply Class:
3120

National Item Identification Number:
012211860

Description:
BEARING,SLEEVE

Detail:
A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also BUSHING, SLEEVE; SPACER, SLEEVE; and WASHER (as modified). Excludes PIN, HOLLOW.

Manufacturer Information:

2118955 PIECE 3	80064	NAVAL SHIP SYSTEMS COMMAND
522-2118955 PIECE 3	80064	NAVAL SHIP SYSTEMS COMMAND
SSBN640-522-2118955 PIECE 3	80064	NAVAL SHIP SYSTEMS COMMAND
76643-67X4 PIECE 3	96169	ELECTRIC BOAT CORPORATION

Techincal Specification:

ANTIROTATION/LUBRICATION TYPE AND QUANTITY	3 HOLE
BODY INSIDE DIAMETER	4.3760 INCHES MINIMUM AND 4.3770 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	5.5000 INCHES NOMINAL
CORNER SHAPE	CHAMFERED INSIDE LEFT CORNER
CORNER SHAPE	CHAMFERED INSIDE RIGHT CORNER
CORNER SHAPE	CHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE LEFT FLANGE BODY CORNER
CORNER SHAPE	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER	5.8125 INCHES NOMINAL
FLANGE WIDTH	0.2500 INCHES NOMINAL
HOLE DIAMETER	0.1250 INCHES NOMINAL FIRST
HOLE DIAMETER	0.7500 INCHES NOMINAL SECOND
HOLE DIAMETER	0.7500 INCHES NOMINAL THIRD
LEFT INTERNAL FLANGE HOLE DIAMETER	4.0000 INCHES NOMINAL
LEFT INTERNAL FLANGE WIDTH	3.1875 INCHES NOMINAL
LUBRICANT ACCOMMODATION STYLE	GROOVED CIRCULAR
OVERALL LENGTH	7.8750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-00465 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	COPPER ALLOY 606 OR COPPER ALLOY 614 OR COPPER ALLOY 630 OR COPPER ALLOY 642 OVERALL
SPECIAL FEATURES	BOTH 0.750 INCH HOLESLOCATED 18O DEG APART; TWO HOLES 0.250 INCH DIA-20UNC-2B BY 0.375 INCH DEEP,180 DEG APART ON FLANGE FACE
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
SURFACE FINISH	32.0 MICROINCHES INTERNAL SURFACES
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE GROOVE LOCATION AND QUANTITY	3 EXTERNAL AND 3 INTERNAL

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