BEARING,PLAIN,SELF-ALIGNING

M81936-1-20R

M81936-1-20R
(NSN) National Stock Number
3120-01-339-5072
Federal Supply Classification
3120 Unmounted Plain Bearings
Item Name Code
13208
Schedule B Code
8482300040
Summary

1.2495 inches minimum and 1.2500 inches maximum bore diameter, grease, mil-g-81322 lubrication material, 2.2500 inches minimum and 2.3120 inches maximum outer member outside diameter, 0.9950 inches minimum and 1.0000 inches maximum outer member width, 1.2450 inches minimum and 1.2500 inches maximum inner member width, 152000 pounds static radial load rating

DAC HCC DMIL RNCC
E - - 5
RNVC SADC MSDS RNAAC
9 - - KZ
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
1.2495 inches minimum and 1.2500 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
2.2500 inches minimum and 2.3120 inches maximum
Details None.
Outer Member Width
0.9950 inches minimum and 1.0000 inches maximum
Details None.
Inner Member Width
1.2450 inches minimum and 1.2500 inches maximum
Details None.
Static Radial Load Rating
152000 pounds
Details The limiting radial load which the item can carry at rest without permanent deformation of the stressed surface or the danger of fracture.
Hardness Rating
28.0 rockwell c minimum and 36.0 rockwell c maximum outer race member
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Hardness Rating
37.0 rockwell c minimum 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 or perforation outer race member
Details The feature inherent in the item design to effect lubrication.
Material
copper alloy 172 or copper alloy 173 inner member
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
steel comp 630 outer race member
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
ams 5643 assn std single material response outer race member
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Material Document And Classification
astm b196 assn std all material responses or astm b197 assn std 1st material response inner member
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Style Designator
without insert or liner with staking groove
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
AS81936-1-20R 0U583 5 - 3 2 - ZZ
AS81936-1-20R 81343 4 - 3 9 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
58880 - Q -
RVC WCC TCC SHC
- 742 Z 9

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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 3120-01-339-5072
When the NSN 3120-01-339-5072 was assigned to the Federal Catalog?
It was assigned 33 years ago, on Thu, May 23, 1991
Does the NSN 3120-01-339-5072 contain any precious metals?
Does not contain precious metal
What is the NIIN of the NSN 3120-01-339-5072?
The National Item Identification Number (NIIN) of the NSN 3120-01-339-5072 is 01-339-5072
Does the NSN 3120-01-339-5072 contain any hazardous material?
No data in HMIRS

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