3120-01-439-5041, BEARING,PLAIN,ROD END

4240-01-439-5042 CARTRIDGE,RESPIRATOR,AIR FILTERI

National Stock Number:
3120-01-439-5041

Federal Supply Class:
3120

National Item Identification Number:
014395041

Description:
BEARING,PLAIN,ROD END

Detail:
A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes BEARING, PLAIN, SPHERICAL and BEARING, PLAIN, SELF-ALIGNING.

Manufacturer Information:

ST4M208-4

76301

THE BOEING COMPANY

Techincal Specification:

BORE DIAMETER	0.2500 INCHES NOMINAL
BORE CENTER TO SHANK END DISTANCE	1.3380 INCHES NOMINAL
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM BODY
HARDNESS RATING	55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER
INNER MEMBER WIDTH	0.3430 INCHES NOMINAL
INSPECTION HOLE CENTER TO END DISTANCE	0.3120 INCHES NOMINAL
LUBRICATION FEATURE	SELF-LUBRICATING LINER BORE LINER
OUTER MEMBER OUTSIDE DIAMETER	0.6250 INCHES NOMINAL
OUTER MEMBER WIDTH	0.2600 INCHES NOMINAL
OVERALL LENGTH	2.4700 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL	PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER
MATERIAL	STEEL COMP 4340 BODY
MATERIAL	STEEL COMP 440C INNER MEMBER
SHANK STYLE	INTERNALLY THREADED W/HEXAGON END AND INSPECTION HOLE
SHANK THREAD LENGTH	0.6250 INCHES MINIMUM
SHANK WIDTH ACROSS WRENCH FLATS	0.3290 INCHES NOMINAL
STYLE DESIGNATOR	BALL TYPE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BODY
SURFACE TREATMENT	CADMIUM BODY
THREAD CLASS	3B
THREAD DIAMETER	0.250 INCHES NOMINAL
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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