3120-01-230-1819 BEARING,SLEEVE Index 3120-01-230-1821 BUSHING,SLEEVE

National Stock Number:
3120-01-230-1820

Federal Supply Class:
3120

National Item Identification Number:
012301820

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:
123PM10225-326512NORTHROP GRUMMAN SYSTEMS CORPORATION
123PM10225-379RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
BODY INSIDE DIAMETER0.2550 INCHES MINIMUM AND 0.2620 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM
FLANGE WIDTH0.0630 INCHES NOMINAL
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
HOLE DIAMETER0.0960 INCHES MINIMUM AND 0.1030 INCHES MAXIMUM FIRST
OVERALL LENGTH0.1260 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
SPECIAL FEATURESFLANGE OFF CENTERED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL


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