SR540PTC3-1-ABEC7

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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-030-4939

Item Name Code

30213

Assigment Date

11/07/1976 (49 years ago)

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes:valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

unable to decode lubrication material, 0.8748 inches minimum and 0.8750 inches maximum bore diameter, ground surface finish, 0.5570 inches minimum and 0.5620 inches maximum overall width, 1.3121 inches minimum and 1.3125 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 Width: 0.5570 inches minimum and 0.5620 inches maximum
Bore Diameter: 0.8748 inches minimum and 0.8750 inches maximum
Overall Outside Diameter: 1.3121 inches minimum and 1.3125 inches maximum
Lubrication Material: unable to decode
Surface Finish: ground
Retainer Fabrication Method: machined
Shield Quantity: 2
Load Direction: radial
Internal Clearance: 0.0003 inches minimum radial and 0.0008 inches maximum radial
Standard Tolerance Designation: abec no.7
Bearing Preload Rating: 4.0 pounds nominal
Lubrication Material Document And Classification: mil-l-6085 mil spec single material response
Material
Material: unable to decode
Material Document And Classification: unable to decode
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
3TCRS14-21UDB1704	Duplex Ball Bearing
901815	Duplex Ball Bearing
AMVW540KDCRVDBFS171	Duplex Ball Bearing
SR540PTC3-1-ABEC7	Duplex Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-030-4939?

The FSCG of the NSN 3110-01-030-4939 is 3110

Does the NSN 3110-01-030-4939 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-01-030-4939 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 3110-01-030-4939 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-030-4939 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 3110-01-030-4939 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Nov 7, 1976