5310-00-193-7428

Find complete technical information, availability, and procurement data for: 5310-00-193-7428
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-193-7428

Item Name Code

01869

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.

0.062 inches nominal external straight key length, 0.380 inches minimum and 0.383 inches maximum hole diameter, 0.062 inches maximum external straight key width, 0.203 inches minimum and 0.234 inches maximum outside diameter, 0.106 inches minimum and 0.108 inches maximum internal straight key width

Product Characteristics

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

Hole Diameter: 0.380 inches minimum and 0.383 inches maximum
Outside Diameter: 0.203 inches minimum and 0.234 inches maximum
External Straight Key Length: 0.062 inches nominal
External Straight Key Width: 0.062 inches maximum
Internal Straight Key Width: 0.106 inches minimum and 0.108 inches maximum
Overall Distance Including Keys: 0.875 inches nominal
External Key Quantity: 1
Internal Key Quantity: 1
Material Thickness: 0.032 inches nominal
Material: copper alloy overall
Surface Treatment: zinc overall

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
30403PT24875	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-193-7428?

The FSCG of the NSN 5310-00-193-7428 is 5310

Does the NSN 5310-00-193-7428 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-193-7428 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 5310-00-193-7428 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-193-7428 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 5310-00-193-7428 was assigned to the Federal Catalog?

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