BEARING,PLAIN,SELF-ALIGNING

MIL-B-81936/2

MIL-B-81936/2
(NSN) National Stock Number
3120-01-391-6755
Federal Supply Classification
3120 Unmounted Plain Bearings
Item Name Code
13208
Schedule B Code
8482300040
Summary

0.3745 inches minimum and 0.3750 inches maximum bore diameter, grease, mil-g-81322 lubrication material, 0.8120 inches minimum and 0.8125 inches maximum outer member outside diameter, 0.3070 inches minimum and 0.3120 inches maximum outer member width, 0.4010 inches minimum and 0.4060 inches maximum inner member width, 37.0 rockwell c nominal inner member hardness rating

DAC HCC DMIL RNCC
4 - - 4
RNVC SADC MSDS RNAAC
1 - - 9Z
Identification

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 item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

INC FIIG Concept Condition
13208 A045A0 - 1
Specifications
Bore Diameter
0.3745 inches minimum and 0.3750 inches maximum
Details The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
Lubrication Material
grease, mil-g-81322
Details The element compound or mixture with which the item is lubricated. please use mrc lbma as a replacement for canceled mrc.
Outer Member Outside Diameter
0.8120 inches minimum and 0.8125 inches maximum
Details None.
Outer Member Width
0.3070 inches minimum and 0.3120 inches maximum
Details None.
Inner Member Width
0.4010 inches minimum and 0.4060 inches maximum
Details None.
Hardness Rating
37.0 rockwell c nominal inner member
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Lubrication Feature
groove outer race member
Details The feature inherent in the item design to effect lubrication.
Material
copper alloy overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
without insert or liner
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Specification/Standard Data
81349-mil-b-81936/2 government specification
Details The document designator of the specification or standard which established the item of supply.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
M81936-2-6R 81349 4 - 2 2 - 9Z
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A A -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
- - - -
RVC WCC TCC SHC
- - - -

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Manufacturer
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
CAGE: 81349
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FAQs
Frequently asked questions for NSN 3120-01-391-6755
When the NSN 3120-01-391-6755 was assigned to the Federal Catalog?
It was assigned 30 years ago, on Wed, Jun 15, 1994
Does the NSN 3120-01-391-6755 contain any precious metals?
Does not contain precious metal
What is the NIIN of the NSN 3120-01-391-6755?
The National Item Identification Number (NIIN) of the NSN 3120-01-391-6755 is 01-391-6755
Does the NSN 3120-01-391-6755 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 3120-01-391-6755?
No known electrostatic discharge

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