4D10687

View detailed technical data, stock status, and sourcing information for: 4D10687
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-489-5438

Item Name Code

13206

Assigment Date

09/17/2001 (24 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

2.6015 inches minimum and 2.6020 inches maximum body outside diameter, 2.0040 inches minimum and 2.0045 inches maximum body inside diameter, filters;nuclear reactor boundry area end item identification, 1.3500 inches nominal overall length, round all corners corner shape

Product Characteristics

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

Overall Length: 1.3500 inches nominal
Body Outside Diameter: 2.6015 inches minimum and 2.6020 inches maximum
Body Inside Diameter: 2.0040 inches minimum and 2.0045 inches maximum
End Item Identification: filters;nuclear reactor boundry area
Corner Shape: round all corners
Surface Finish: 63.0 microinches overall
Material: steel overall
Style Designator: solid, plain, no outside flanges

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
4D10687	Sleeve Bushing
4D10687-001	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-489-5438?

The FSCG of the NSN 3120-01-489-5438 is 3120

Does the NSN 3120-01-489-5438 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-489-5438 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 3120-01-489-5438 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-489-5438 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 3120-01-489-5438 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Mon, Sep 17, 2001