3120-01-552-7263

Find complete technical information, availability, and procurement data for: 3120-01-552-7263
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-552-7263

Item Name Code

13211

Assigment Date

06/21/2007 (19 years ago)

A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.

shouldered cross-sectional shape style, 2.1830 inches minimum and 2.1930 inches maximum diameter, 0.0610 inches minimum and 0.0630 inches maximum flange thickness, 2.8750 inches nominal outside diameter, round center hole shape style

Product Characteristics

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

Cross-Sectional Shape Style: shouldered
Flange Thickness: 0.0610 inches minimum and 0.0630 inches maximum
Outside Diameter: 2.8750 inches nominal
Center Hole Shape Style: round
Diameter: 2.1830 inches minimum and 2.1930 inches maximum
Overall Thickness: 0.1900 inches nominal
Shank Outside Diameter: 2.1830 inches minimum and 2.1930 inches maximum
Hardness Rating: 69.0 rockwell superficial 15-t minimum and 79.0 rockwell superficial 15-t maximum overall
Lubrication Feature: groove flat bearing surface
Part Name Assigned By Controlling Agency: washer, 4th sp ms gear thrust
Special Features: 8 equally spaced 0.030 inch grooves; bronze surface .008 - .012 each side
Material: copper alloy or copper alloy 797 overall
Material Document And Classification: sae j460 no 792 or 797 assn std all material responses overall
Style Designator: round

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
233KD25	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-552-7263?

The FSCG of the NSN 3120-01-552-7263 is 3120

Does the NSN 3120-01-552-7263 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-01-552-7263 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 3120-01-552-7263 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-552-7263 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 3120-01-552-7263 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Thu, Jun 21, 2007