2493586

View detailed technical data, stock status, and sourcing information for: 2493586
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-126-2634

Item Name Code

01869

Assigment Date

02/09/1982 (44 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.

1.300 inches minimum and 1.320 inches maximum hole diameter, 0.230 inches minimum and 0.270 inches maximum external prebent key length, 0.110 inches minimum and 0.120 inches maximum internal straight key width, 0.110 inches minimum and 0.120 inches maximum external prebent key width, 1.665 inches minimum and 1.675 inches maximum outside diameter

Product Characteristics

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

Hole Diameter: 1.300 inches minimum and 1.320 inches maximum
Outside Diameter: 1.665 inches minimum and 1.675 inches maximum
External Prebent Key Length: 0.230 inches minimum and 0.270 inches maximum
External Prebent Key Width: 0.110 inches minimum and 0.120 inches maximum
Internal Straight Key Width: 0.110 inches minimum and 0.120 inches maximum
Distance From Centerline To Top Of Internal Key: 0.420 inches minimum and 0.430 inches maximum
Overall Distance Including Keys: 1.708 inches minimum and 1.718 inches maximum
Internal Key Quantity: 5
Material Thickness: 0.022 inches nominal
Material: steel comp 302 overall
Material Document And Classification: ams 5516 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: astm a380 assn std single treatment response 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
2493586	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-126-2634?

The FSCG of the NSN 5310-01-126-2634 is 5310

Does the NSN 5310-01-126-2634 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-126-2634 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 5310-01-126-2634 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-126-2634 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 5310-01-126-2634 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Feb 9, 1982