3120-01-210-7977, BEARING,SLEEVE

National Stock Number:
3120-01-210-7977

Federal Supply Class:
3120

National Item Identification Number:
012107977

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:

71553-78X9 PIECE 12	96169	ELECTRIC BOAT CORPORATION
SSN671-515-2047969 PIECE 12	80064	NAVAL SHIP SYSTEMS COMMAND

Techincal Specification:

BODY INSIDE DIAMETER	2.6250 INCHES MINIMUM AND 2.6270 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	2.8760 INCHES MINIMUM AND 2.8770 INCHES MAXIMUM
CORNER SHAPE	CHAMFERED INSIDE LEFT CORNER
CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE LEFT FLANGE BODY CORNER
CORNER SHAPE	SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
CORNER SHAPE	SQUARE OUTSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER	3.7500 INCHES NOMINAL
FLANGE WIDTH	0.3730 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM
OVERALL LENGTH	2.2500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-C-00465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	COPPER ALLOY OVERALL
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY

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