A-365-313 REV 2 ITEM NO. 21NT

Comprehensive specifications and application details for: A-365-313 REV 2 ITEM NO. 21NT Annular Ball Bearing.

Summary

Explore detailed summary information for bearing: A-365-313 REV 2 ITEM NO. 21NT. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
A-365-313 REV 2 ITEM NO. 21NT
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-987-3729
Item Name Code
00014
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1962

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

zzzw criticality code justification, straight bore shape, annual ball bearing for quiet operation application to submarine usage departure from cited document, 1.9683 inches minimum and 1.9685 inches maximum bore diameter, radial load direction

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-987-3729 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
1.9683 inches minimum and 1.9685 inches maximum
Bore Shape
straight
Criticality Code Justification
zzzw
Departure From Cited Document
annual ball bearing for quiet operation application to submarine usage
Load Direction
radial
Lubrication Material Document And Classification
mil-g-18709 mil spec single material response
Lubrication Material
grease
Overall Outside Diameter
4.3305 inches minimum and 4.3307 inches maximum
Overall Width
1.0610 inches minimum and 1.0630 inches maximum
Material
steel ball
Material
steel inner ring
Material
steel outer ring
Special Features
bearing packed w/ grease 30 to 50 percent full
Style Designator
non-loading groove, non-separable
Surface Finish
ground

Replaces

The NSN 3110-00-987-3729 is used in place of the following discontinued or alternate items:

NSN Name Date
3110-00-574-2139 No Name Available 10/20/1969
3110-00-791-1694 No Name Available 05/21/1969
3120-00-987-7915 No Name Available 03/01/1983
3110-01-074-0955 No Name Available 08/01/1980
3110-01-225-0002 No Name Available 05/01/1987

Frequently Asked Questions

Find quick answers to common questions about bearing: A-365-313 REV 2 ITEM NO. 21NT. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-987-3729?
The FSCG of the NSN 3110-00-987-3729 is 3110
Does the NSN 3110-00-987-3729 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-987-3729 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 3110-00-987-3729 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-987-3729 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3110-00-987-3729 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Mon, Jan 1, 1962

Price & Availability

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