4403555 PIECE 31

View detailed technical data, stock status, and sourcing information for: 4403555 PIECE 31
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-446-5225

Item Name Code

13211

Assigment Date

07/08/1997 (29 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.

1.0156 inches nominal diameter, 0.1250 inches nominal overall thickness, round center hole shape style, 1.7500 inches nominal outside diameter, rectangular cross-sectional 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: rectangular
Outside Diameter: 1.7500 inches nominal
Center Hole Shape Style: round
Diameter: 1.0156 inches nominal
Overall Thickness: 0.1250 inches nominal
Corner Shape: square all corners
Material: copper alloy 841 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
123-4403555 PIECE 31	Thrust Washer Bearing
4403555 PIECE 31	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-446-5225?

The FSCG of the NSN 3120-01-446-5225 is 3120

Does the NSN 3120-01-446-5225 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-01-446-5225 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 3120-01-446-5225 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-446-5225 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 3120-01-446-5225 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, Jul 8, 1997