3110-01-531-4020

Find complete technical information, availability, and procurement data for: 3110-01-531-4020
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-531-4020

Item Name Code

00014

Assigment Date

07/07/2005 (21 years ago)

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

0.2802 inches minimum and 0.2812 inches maximum overall width, 0.3748 inches minimum and 0.3750 inches maximum bore diameter, b-52 aircraft end item identification, 0.8748 inches minimum and 0.8750 inches maximum overall outside diameter, ground surface finish

Product Characteristics

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

Overall Width: 0.2802 inches minimum and 0.2812 inches maximum
Bore Diameter: 0.3748 inches minimum and 0.3750 inches maximum
Overall Outside Diameter: 0.8748 inches minimum and 0.8750 inches maximum
End Item Identification: b-52 aircraft
Surface Finish: ground
Shield Quantity: 2
Load Direction: radial
Bore Shape: straight
Standard Tolerance Designation: abec no.5
Part Name Assigned By Controlling Agency: bearing,ball
Special Features: centrifuged to remove excess oil or filled with one or two drops as required so as not to have an excess of oil
Lubrication Material: oil
Material: steel comp 440c ball
Material: steel comp 440c outer ring
Material: steel comp 440c inner ring
Material: steel corrosion resisting insert
Style Designator: non-loading groove, non-separable

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
319-150-7800-06	Annular Ball Bearing
SR65PPDK25	Annular Ball Bearing
SR6RHH5P25	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-531-4020?

The FSCG of the NSN 3110-01-531-4020 is 3110

Does the NSN 3110-01-531-4020 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-01-531-4020 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 3110-01-531-4020 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-531-4020 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 3110-01-531-4020 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Thu, Jul 7, 2005