N17551

View detailed technical data, stock status, and sourcing information for: N17551
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-726-7946

Item Name Code

22534

Assigment Date

01/01/1963 (63 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.

2.438 inches nominal body outside diameter, 2.812 inches nominal flange diameter, 2.281 inches nominal body inside diameter, 0.312 inches nominal overall length, external flange body style

Product Characteristics

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

Body Style: external flange
Overall Length: 0.312 inches nominal
Flange Diameter: 2.812 inches nominal
Body Outside Diameter: 2.438 inches nominal
Body Inside Diameter: 2.281 inches nominal
Left Side Flange Thickness: 0.125 inches nominal
Corner Shape: square all corners
Material: copper alloy

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
E88	Wearing Ring
N17551	Wearing Ring
R807REVAIT4	Wearing Ring
R808REVAIT4	Wearing Ring
R809REVBIT1B	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-726-7946?

The FSCG of the NSN 4320-00-726-7946 is 4320

Does the NSN 4320-00-726-7946 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-726-7946 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 4320-00-726-7946 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-726-7946 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 4320-00-726-7946 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963