A2256-31

View detailed technical data, stock status, and sourcing information for: A2256-31

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A2256-31
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-275-0241
Item Name Code
00019
Assigment Date
01/01/1961 (65 years ago)

2.0625 inches minimum and 2.0635 inches maximum bore diameter, ground surface finish, molded retainer fabrication method, 0.7450 inches minimum and 0.7550 inches maximum overall height, 3.5470 inches minimum and 3.5770 inches maximum overall outside diameter

Product Characteristics

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

Overall Height
0.7450 inches minimum and 0.7550 inches maximum
Bore Diameter
2.0625 inches minimum and 2.0635 inches maximum
Overall Outside Diameter
3.5470 inches minimum and 3.5770 inches maximum
Surface Finish
ground
Retainer Fabrication Method
molded
Alignment Type
rigid
Thrust Directional Capability Designation
single
Special Features
lubrication notch cut in id of small washer,washers overlap,banded od
Material
copper alloy retainer
Material
steel ball
Material
steel band
Material
steel washer
Style Designator
clutch release, thrust, lubricated and sealed

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3110-00-702-9349 No Name Available 09/25/1967

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
2256-31 Thrust Ball Bearing
5040E5022 Thrust Ball Bearing
A2256-31 Thrust Ball Bearing
A893-3 Thrust Ball Bearing
A893-31 Thrust Ball Bearing
AT97 Thrust Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-275-0241?
The FSCG of the NSN 3110-00-275-0241 is 3110
Does the NSN 3110-00-275-0241 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105008
Does NSN 3110-00-275-0241 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 3110-00-275-0241 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-275-0241 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 3110-00-275-0241 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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