972155-3

View detailed technical data, stock status, and sourcing information for: 972155-3
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-254-8955

Item Name Code

30213

Assigment Date

05/12/1987 (39 years ago)

A switch which is externally actuated by a lever and whose contacts open and close with an instantaneous (snap) action; includes items having one or more momentary positions. Includes switches (snap action) which use mercury to bridge contacts, and assemblages of complete switches (snap action) having common actuators. Excludes:switch,lever; switch,rotary; switch,knife; switch,sensitive; and switch,box.

1.3125 inches nominal overall outside diameter, ground surface finish, unable to decode lubrication material, 1.0625 inches nominal bore diameter, 0.3125 inches nominal overall width

Product Characteristics

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

Overall Width: 0.3125 inches nominal
Bore Diameter: 1.0625 inches nominal
Overall Outside Diameter: 1.3125 inches nominal
Lubrication Material: unable to decode
Surface Finish: ground
Load Direction: angular
Bearing Preload Designation: light
Internal Clearance: 0.0005 inches minimum radial and 0.0011 inches maximum radial
Standard Tolerance Designation: abec no. 5t
Bearing Preload Rating: 5.0 pounds minimum and 10.0 pounds maximum
Contact Angle: 13.0 degrees minimum and 23.0 degrees maximum
Material: unable to decode
Surface Treatment: passivate all external/exposed metal surfaces
Style Designator: counterbored outer rings, non-separable, back to back mounting

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
972155-3	Duplex Ball Bearing
SR1742B3T-14C16WK511-2	Duplex Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-254-8955?

The FSCG of the NSN 3110-01-254-8955 is 3110

Does the NSN 3110-01-254-8955 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-01-254-8955 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 3110-01-254-8955 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-254-8955 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 3110-01-254-8955 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, May 12, 1987