87621-0107 ITEM 22

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-122-2459

Item Name Code

01869

Assigment Date

11/18/1981 (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.

13.000 inches nominal overall distance including keys, 6.050 inches minimum and 6.060 inches maximum hole diameter, 6 external key quantity, 10.500 inches nominal outside diameter, 1.250 inches nominal external 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: 6.050 inches minimum and 6.060 inches maximum
Outside Diameter: 10.500 inches nominal
External Straight Key Width: 1.250 inches nominal
Overall Distance Including Keys: 13.000 inches nominal
External Key Quantity: 6
Material Thickness: 0.125 inches nominal
Angle Between Fifth And Sixth Key: 45.0 degrees nominal
Angle Between First And Second Key: 30.0 degrees nominal
Angle Between Second And Third Key: 30.0 degrees nominal
Angle Between Fourth And Fifth Key: 45.0 degrees nominal
Material: nickel alloy a overall
Material Document And Classification: qq-n-281,cl a fed spec single material 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
518-4674753 ITEM 22	Key Washer
518-4674753ITEM	Key Washer
87621-0107 ITEM 22	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-122-2459?

The FSCG of the NSN 5310-01-122-2459 is 5310

Does the NSN 5310-01-122-2459 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-122-2459 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 5310-01-122-2459 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-122-2459 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 5310-01-122-2459 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Nov 18, 1981