BEARING,PLAIN,SELF-ALIGNING

MS21231-9

MS21231-9
(NSN) National Stock Number
3120-00-451-9838
Federal Supply Classification
3120 Unmounted Plain Bearings
Item Name Code
13208
Schedule B Code
8482300040
Summary

0.5620 inches minimum and 0.5625 inches maximum bore diameter, 1.1245 inches minimum and 1.1250 inches maximum outer member outside diameter, 0.5310 inches minimum and 0.5410 inches maximum outer member width, 0.6850 inches minimum and 0.6870 inches maximum inner member width, 34400 pounds static radial load rating, 23.0 rockwell c minimum and 35.0 rockwell c maximum outer race member hardness rating

DAC HCC DMIL RNCC
4 - - 2
RNVC SADC MSDS RNAAC
2 - - TG
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
0.5620 inches minimum and 0.5625 inches maximum
Details The length of a straight line which passes through the center of a circular bore,and terminates at the circumference.
Outer Member Outside Diameter
1.1245 inches minimum and 1.1250 inches maximum
Details None.
Outer Member Width
0.5310 inches minimum and 0.5410 inches maximum
Details None.
Inner Member Width
0.6850 inches minimum and 0.6870 inches maximum
Details None.
Static Radial Load Rating
34400 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
23.0 rockwell c minimum and 35.0 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
55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Material
steel comp 440c inner member
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
steel comp 630 or steel comp 631 or steel comp 410 outer race member
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
with insert and/or liner
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
58880 - Q -
RVC WCC TCC SHC
- 742 Z 9

Certified Supplier

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Manufacturer
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
CAGE: 96906
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FAQs
Frequently asked questions for NSN 3120-00-451-9838
When the NSN 3120-00-451-9838 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Wed, Feb 23, 1972
Does the NSN 3120-00-451-9838 contain any precious metals?
Type/content is unknown
What is the NIIN of the NSN 3120-00-451-9838?
The National Item Identification Number (NIIN) of the NSN 3120-00-451-9838 is 00-451-9838
Does the NSN 3120-00-451-9838 contain any hazardous material?
No data in HMIRS

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Founded in the heart of North Florida, our company has been dedicated to commercializing and supplying top-quality aerospace and milspec bearings.

Contact
841 Prudential Drive
Jacksonville, FL, 32207
United States
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