Product Details | ROD END PLAIN BEARING

3120-01-439-5041 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.

Part Alternates: ST4M2084, ST4M208-4, 3120-01-439-5041, 01-439-5041, 3120014395041, 014395041

Bearings | Bearings, Plain, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 10 DEC 1996 01-439-5041

Drawings & Photos | NSN 3120-01-439-5041


Cross Reference | NSN 3120-01-439-5041

Part Number Cage Code Manufacturer
ST4M208-4 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 3120-01-439-5041

Characteristic Specifications
MATERIAL STEEL COMP 440C INNER MEMBER PLASTIC POLYTETRAFLUOROETHYLENE RACE LINER STEEL COMP 4340 BODY
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE BODY
HARDNESS RATING 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM BODY
SURFACE TREATMENT CADMIUM BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BODY
STYLE DESIGNATOR 6 BALL TYPE
OVERALL LENGTH 2.4700 INCHES NOMINAL
BORE DIAMETER 0.2500 INCHES NOMINAL
OUTER MEMBER OUTSIDE DIAMETER 0.6250 INCHES NOMINAL
BORE CENTER TO SHANK END DISTANCE 1.3380 INCHES NOMINAL
OUTER MEMBER WIDTH 0.2600 INCHES NOMINAL
INNER MEMBER WIDTH 0.3430 INCHES NOMINAL
LUBRICATION FEATURE SELF-LUBRICATING LINER BORE LINER
SHANK STYLE 7 INTERNALLY THREADED W/HEXAGON END AND INSPECTION HOLE
SHANK THREAD LENGTH 0.6250 INCHES MINIMUM
INSPECTION HOLE CENTER TO END DISTANCE 0.3120 INCHES NOMINAL
SHANK WIDTH ACROSS WRENCH FLATS 0.3290 INCHES NOMINAL
THREAD SERIES DESIGNATOR UNJF
THREAD DIAMETER 0.250 INCHES NOMINAL
THREAD QUANTITY PER INCH 28
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND

Restrictions/Controls & Freight Information | NSN 3120-01-439-5041

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information