16-5594

View detailed technical data, stock status, and sourcing information for: 16-5594
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-018-6495

Item Name Code

01869

Assigment Date

03/29/1976 (50 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

1 internal key quantity, 0.688 inches nominal distance from centerline to top of internal key, 1.641 inches nominal hole diameter, 2.188 inches nominal outside diameter, 0.219 inches minimum and 0.221 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: 1.641 inches nominal
Outside Diameter: 2.188 inches nominal
Internal Straight Key Width: 0.219 inches minimum and 0.221 inches maximum
Distance From Centerline To Top Of Internal Key: 0.688 inches nominal
Internal Key Quantity: 1
Material Thickness: 0.094 inches nominal
Special Features: 0.162 radius on each side of key
Material: steel 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
16-5594	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-018-6495?

The FSCG of the NSN 5310-01-018-6495 is 5310

Does the NSN 5310-01-018-6495 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-018-6495 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 5310-01-018-6495 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-018-6495 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 5310-01-018-6495 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, Mar 29, 1976