770328

View detailed technical data, stock status, and sourcing information for: 770328
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-011-1003

Item Name Code

00015

Assigment Date

10/14/1975 (50 years ago)

A valve having two or more ports with valve stem or pilot needle in a normally open or closed position. It is specifically designed to stop or start or change the flow of fluid by means of the magnetic action of an electric coil on a moveable core or plunger. The valve may be equipped with a manual opening or closing device. For items with three or more ports that utilize a reciprocating slide with recess areas which mate with ports in an integral or replaceable ported sleeve, see valve (1), linear, directional control. It may be inline or cartridge (manifold) design. Excludes:valve (1), butterfly.

ground surface finish, 19.0 millimeters nominal overall width, pressed retainer fabrication method, 72.0 millimeters nominal overall outside diameter, 1.1809 inches nominal bore 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: 19.0 millimeters nominal
Bore Diameter: 1.1809 inches nominal
Overall Outside Diameter: 72.0 millimeters nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Bore Shape: straight
Locating Feature: two direction
Internal Clearance: 0.0011 inches minimum radial and 0.0021 inches maximum radial
Standard Tolerance Designation: rbec no.5
Special Features: "material: outer ring: spec pwa 725 steel; rockwell hardness c 60 minimum; inner ring: spec pwa 725 steel; rockwell hardness c60 minimum; rollers: spec pwa 725 steel; rockwell hardness c60 minimum; cage: ams 6415 steel, rockwell hardness c28-35; silver plate per ams 2412 .001-.002" thick on land riding surf and roller pockets; other surf opt and may be incompleted; bake at 475-500 degrees fahrenheit to check for bond"
Material: steel comp 4340 retainer
Material: steel inner ring
Material: steel outer ring
Material: steel roller
Material Document And Classification: ams 6415 assn std single material response retainer
Material Document And Classification: pwa 725,fscm 77445 mfr ref single material response inner ring
Material Document And Classification: pwa 725,fscm 77445 mfr ref single material response outer ring
Material Document And Classification: pwa 725,fscm 77445 mfr ref single material response roller
Precious Material And Location: plate silver
Precious Material: silver
Style Designator: single row, cylindrical rollers, external self-aligning with aligning ring, two lip inner ring, cylindrical outer ring with two roller retainment rings, 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
741368	Cylindrical Roller Bearing
741369	Cylindrical Roller Bearing
770328	Cylindrical Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-011-1003?

The FSCG of the NSN 3110-01-011-1003 is 3110

Does the NSN 3110-01-011-1003 have a Schedule B code assigned?

Yes, the Schedule B code is 8482500000

Does NSN 3110-01-011-1003 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3110-01-011-1003 contain precious materials?

Item contains silver.

Does NSN 3110-01-011-1003 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 3110-01-011-1003 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Tue, Oct 14, 1975