3120-01-210-7977 BEARING,SLEEVE Index 3120-01-210-7979 BUSHING,SLEEVE

National Stock Number:
3120-01-210-7978

Federal Supply Class:
3120

National Item Identification Number:
012107978

Description:
BUSHING,SLEEVE

Detail:
A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see BUSHING, NONMETALLIC. See also BEARING, SLEEVE; BUSHING, TAPERED; SPACER, SLEEVE; INSULATOR, BUSHING; and BUSHING, ELECTRICAL CONDUCTOR. Excludes BUSHING, DRILL, JIG.


Manufacturer Information:
203-4632000 ITEM 180064NAVAL SHIP SYSTEMS COMMAND
393-203-003 ITEM 181220NATIONAL STEEL AND SHIPBUILDING COMPANY
96-000125316GENERAL DYNAMICS CORP QUNICY SHIPBUILDING DIV


Techincal Specification:
BODY INSIDE DIAMETER23.3120 INCHES NOMINAL
BODY OUTSIDE DIAMETER25.1200 INCHES MINIMUM AND 25.1250 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-15345 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 922 OVERALL
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY


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