3120-01-221-9721 BUSHING,SLEEVE Index 3120-01-221-9723 BUSHING,SLEEVE

National Stock Number:
3120-01-221-9722

Federal Supply Class:
3120

National Item Identification Number:
012219722

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:
1376-23-18544114BAE SYSTEMS LAND & ARMAMENTS L.P.
1376-23-185A0199FINMECCANICA SPA
551859353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER12.5 MILLIMETERS NOMINAL
CORNER SHAPESQUARE ALL CORNERS
HARDNESS RATING20.0 ROCKWELL C MINIMUM OVERALL AND 25.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1040 OVERALL OR STEEL COMP 1042 OVERALL
PROPRIETARY CHARACTERISTICSPACS
OVERALL LENGTH6.0 MILLIMETERS NOMINAL
WIDTH ACROSS FLATS19.0 MILLIMETERS NOMINAL
STYLE DESIGNATORHEXAGON, PLAIN, NO OUTSIDE FLANGES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL AND MIL-C-87115,CL 1 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL OR ZINC OVERALL AND CHROMATE OVERALL


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