5310-00-769-6520

Find complete technical information, availability, and procurement data for: 5310-00-769-6520
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-769-6520

Item Name Code

01869

Assigment Date

01/01/1963 (63 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

0.682 inches minimum and 0.692 inches maximum distance from centerline to top of internal key, 0.219 inches minimum and 0.234 inches maximum internal straight key width, 1 internal key quantity, 2.172 inches minimum and 2.203 inches maximum outside diameter, 1.635 inches minimum and 1.645 inches maximum hole 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: 1.635 inches minimum and 1.645 inches maximum
Outside Diameter: 2.172 inches minimum and 2.203 inches maximum
Internal Straight Key Width: 0.219 inches minimum and 0.234 inches maximum
Distance From Centerline To Top Of Internal Key: 0.682 inches minimum and 0.692 inches maximum
Internal Key Quantity: 1
Material Thickness: 0.0847 inches minimum and 0.0947 inches maximum
End Item Identification: w/s: aircraft, t-39; helicopter, electronic countermeasures, eh-60a; helicopter, black hawk uh-60a; helicopter, kiow oh-58 a&c; helicopter, chinook, ch-47; helicopter observation (ahip), oh-58d; helicopter, cobra/tow, ah series; helicopter, apache ah-64; helicopter, iroquois uh-1; truck, fire/crash p2
Features Provided: casehardened
Material: steel comp 1020 overall
Material Document And Classification: sae assn std single material response overall
Style Designator: key

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-911-5686	No Name Available	04/17/1968

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
7696520	Key Washer
GP1218	Key Washer
R21161	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-769-6520?

The FSCG of the NSN 5310-00-769-6520 is 5310

Does the NSN 5310-00-769-6520 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-769-6520 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 5310-00-769-6520 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-769-6520 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 5310-00-769-6520 was assigned to the Federal Catalog?

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