8520542

View detailed technical data, stock status, and sourcing information for: 8520542
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5970 Electrical Insulators and Insulating Materials

National Stock Number

5970-00-535-9717

Item Name Code

18295

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.

1.500 inches nominal outside diameter, 0.031 inches nominal overall height, 0.228 inches nominal second hole diameter, 0.500 inches nominal first hole spacing, 0.228 inches nominal first hole diameter

Product Characteristics

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

Outside Diameter: 1.500 inches nominal
Overall Height: 0.031 inches nominal
First Hole Diameter: 0.228 inches nominal
Second Hole Diameter: 0.228 inches nominal
First Hole Spacing: 0.500 inches nominal
Second Hole Spacing: 1.000 inches nominal
Material And Location: overall plastic, phenolic resin, l-p-513, type pbe
Style Designator: drilled, flat

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
8520542	Disk Insulator

FAQs

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

What is the FSCG of the NSN 5970-00-535-9717?

The FSCG of the NSN 5970-00-535-9717 is 5970

Does the NSN 5970-00-535-9717 have a Schedule B code assigned?

Yes, the Schedule B code is 8546900000

Does NSN 5970-00-535-9717 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 5970-00-535-9717 contain precious materials?

Precious metal content is unknown

Does NSN 5970-00-535-9717 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5970-00-535-9717 was assigned to the Federal Catalog?

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