2640-697X1PC11

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-021-0509

Item Name Code

13211

Assigment Date

05/08/1976 (50 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications. reference number differentiating characteristics, zzzy criticality code justification

Product Characteristics

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

Criticality Code Justification: zzzy
Reference Number Differentiating Characteristics: material will be in accordance with navicp mech; activity hx quality control, manufacturing and testing specifications.

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
205666PC8	Thrust Washer Bearing
2640-250PC9	Thrust Washer Bearing
2640-697X1PC11	Thrust Washer Bearing
2640-698X3PC6	Thrust Washer Bearing
845-2007673 PC9	Thrust Washer Bearing
845-2180963 PIECE 11	Thrust Washer Bearing
845-2180966,PC 3	Thrust Washer Bearing
845-2180966PC6	Thrust Washer Bearing
A21-00938	Thrust Washer Bearing
F20-08702PC9	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-021-0509?

The FSCG of the NSN 3120-01-021-0509 is 3120

Does the NSN 3120-01-021-0509 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-01-021-0509 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 3120-01-021-0509 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-021-0509 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 3120-01-021-0509 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sat, May 8, 1976