DT20A

View detailed technical data, stock status, and sourcing information for: DT20A
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-065-2676

Item Name Code

00046

Assigment Date

09/13/1978 (47 years ago)

2 seal quantity, 0.4950 inches minimum and 0.5000 inches maximum inner ring width, 1.8740 inches minimum and 1.8750 inches maximum overall outside diameter, 1.2492 inches minimum and 1.2500 inches maximum bore diameter, 0.4450 inches minimum and 0.4500 inches maximum outer ring width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Bore Diameter: 1.2492 inches minimum and 1.2500 inches maximum
Overall Outside Diameter: 1.8740 inches minimum and 1.8750 inches maximum
Outer Ring Width: 0.4450 inches minimum and 0.4500 inches maximum
Inner Ring Width: 0.4950 inches minimum and 0.5000 inches maximum
Seal Quantity: 2
Bearing Seal Type: contact
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-81322 mil spec single material response
Material: rubber synthetic seal
Material: steel comp 4140 or copper alloy retainer
Material: steel comp e52100 inner ring
Material: steel comp e52100 outer ring
Material: steel comp e52100 roller
Material Document And Classification: mil-s-7420 mil spec 1st material response or qq-c-390 fed spec 2nd material response retainer
Material Document And Classification: mil-s-7420 mil spec single material response inner ring
Material Document And Classification: mil-s-7420 mil spec single material response outer ring
Material Document And Classification: mil-s-7420 mil spec single material response roller
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 1,class 2 fed spec single treatment response overall
Style Designator: concave rollers, double closure, self aligning

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-516-5434	No Name Available	10/01/1999

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
DAT20-30A	Airframe Roller Bearing
DAT20-30A-41	Airframe Roller Bearing
DT20A	Airframe Roller Bearing
MS28915-20C	Airframe Roller Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3110-01-065-2676?

The FSCG of the NSN 3110-01-065-2676 is 3110

Does the NSN 3110-01-065-2676 have a Schedule B code assigned?

Yes, the Schedule B code is 8482800080

Does NSN 3110-01-065-2676 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3110-01-065-2676 contain precious materials?

Precious metal content is unknown

Does NSN 3110-01-065-2676 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 3110-01-065-2676 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Wed, Sep 13, 1978