3120-01-253-3040, BEARING,PLAIN,ROD END

National Stock Number:
3120-01-253-3040

Federal Supply Class:
3120

National Item Identification Number:
012533040

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:

12349725-1

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

BORE DIAMETER	0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM
BORE CENTER TO SHANK END DISTANCE	1.6150 INCHES MINIMUM AND 1.6350 INCHES MAXIMUM
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RACE INSERT
HARDNESS RATING	57.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM INNER MEMBER
INNER MEMBER WIDTH	0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
INSPECTION HOLE CENTER TO END DISTANCE	0.4170 INCHES MINIMUM AND 0.4570 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER	0.8900 INCHES MINIMUM AND 0.9100 INCHES MAXIMUM
OUTER MEMBER WIDTH	0.3220 INCHES MINIMUM AND 0.3320 INCHES MAXIMUM
OVERALL LENGTH	2.0750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-7420 MIL SPEC 1ST MATERIAL RESPONSE OR AMS-6440 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE INNER MEMBER
MATERIAL	STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL OR STEEL COMP 630 OR STEEL COMP 631 ROD END BODY
MATERIAL	STEEL COMP 410 OR STEEL COMP 630 OR STEEL COMP 631 RACE INSERT
MATERIAL	STEEL COMP E52100 OR STEEL COMP 440C INNER MEMBER
SHANK STYLE	INTERNALLY THREADED W/HEXAGON END AND INSPECTION HOLE
SHANK THREAD LENGTH	1.0000 INCHES MAXIMUM
SHANK WIDTH ACROSS WRENCH FLATS	0.4900 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM
SPECIAL FEATURES	RACE INSERT ID DRY FILM LUBRICANT PER MIL-L-8937;ROD END BODY FINISH NOT FOR CRES OPTIONAL MATERIAL;THREADS ON SHANK OPTIONAL THREAD CLASSIFICATION UNF-3B
STYLE DESIGNATOR	BALL TYPE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320,TYPE 1 OR 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2 ASSN STD 2ND TREATMENT RESPONSE ROD END BODY
SURFACE TREATMENT	CHROMIUM INNER MEMBER
SURFACE TREATMENT	CADMIUM AND CHROMATE OR ZINC AND CHROMATE ROD END BODY
THREAD CLASS	3B
THREAD DIAMETER	0.3125 INCHES NOMINAL
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

Click here to Register for Free 30-day Trial