3120-01-304-7924, BEARING,SLEEVE

National Stock Number:
3120-01-304-7924

Federal Supply Class:
3120

National Item Identification Number:
013047924

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:

70357-06111-101

78286

SIKORSKY AIRCRAFT CORPORATION

Techincal Specification:

BODY INSIDE DIAMETER	2.1864 INCHES MINIMUM AND 2.1874 INCHES MAXIMUM
BODY OUTSIDE DIAMETER	2.2380 INCHES MINIMUM AND 2.2400 INCHES MAXIMUM
CORNER SHAPE	CHAMFERED OUTSIDE RIGHT CORNER
CORNER SHAPE	SQUARE INSIDE LEFT CORNER
CORNER SHAPE	SQUARE INSIDE RIGHT CORNER
CORNER SHAPE	SQUARE OUTSIDE LEFT CORNER
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH	0.6600 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A519 ASSN STD 1ST MATERIAL RESPONSE OR MIL-T-6736,COND A OR COND N MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6758 CONDD MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6371 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6415 ASSN STD 3RD MATERIAL RESPONSE OR MIL-S-5000,COND C MIL SPEC 3RD MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 4320 OR STEEL COMP 4130 OR STEEL COMP 4340 OR STEEL COMP 8620 OVERALL
PRECIOUS MATERIAL AND LOCATION	INSIDE DIAMETER OF BODY SILVER
PRECIOUS MATERIAL	SILVER
SPECIAL FEATURES	BEFORE CROME PLATE,NICKEL PLATE PER QQ-N-290
STYLE DESIGNATOR	SOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH	30.0 MICROINCHES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENT	CHROMIUM OUTSIDE DIAMETER SURFACE OF BODY
SURFACE TREATMENT	SILVER INSIDE DIAMETER SURFACE OF BODY

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