3389518

View detailed technical data, stock status, and sourcing information for: 3389518
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-766-4240

Item Name Code

01869

Assigment Date

01/01/1962 (64 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

steel overall material, 30.0 degrees nominal external prebent key angle, 0.465 inches nominal hole diameter, 0.025 inches nominal material thickness, phosphate overall surface treatment

Product Characteristics

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

Hole Diameter: 0.465 inches nominal
Material Thickness: 0.025 inches nominal
External Prebent Key Angle: 30.0 degrees nominal
Material: steel overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: ams 2481 assn std single treatment response overall
Style Designator: key

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
3389518	Key Washer
389518	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-766-4240?

The FSCG of the NSN 5310-00-766-4240 is 5310

Does the NSN 5310-00-766-4240 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-766-4240 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 5310-00-766-4240 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-766-4240 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 5310-00-766-4240 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962