5310-00-769-6521

Find complete technical information, availability, and procurement data for: 5310-00-769-6521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-769-6521

Item Name Code

01869

Assigment Date

01/01/1961 (65 years ago)

0.224 inches minimum and 0.244 inches maximum internal prebent key width, 2.531 inches minimum and 2.625 inches maximum outside diameter, 1.641 inches minimum and 1.656 inches maximum hole diameter, 0.672 inches minimum and 0.703 inches maximum distance from centerline to inside of prebent key, 0.1225 inches minimum and 0.1425 inches maximum internal prebent key length

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 minimum and 1.656 inches maximum
Outside Diameter: 2.531 inches minimum and 2.625 inches maximum
Internal Prebent Key Length: 0.1225 inches minimum and 0.1425 inches maximum
Internal Prebent Key Width: 0.224 inches minimum and 0.244 inches maximum
Distance From Centerline To Inside Of Prebent Key: 0.672 inches minimum and 0.703 inches maximum
Material Thickness: 0.0498 inches minimum and 0.0698 inches maximum
End Item Identification: w/s: aircraft, t-39; helicopter, iroquois uh-1; helicopter, apache ah-64; helicopter, kiowa oh-58 a&c; helicopter, observation (ahip), oh-58d; helicopter, black hawk uh-60a; helicopter, electronic countermeasures, eh-60a; truck, fire/crash p2; helicopter, chinook, ch-47; helicopter, cobra/tow, ah series
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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-893-7759	No Name Available	08/19/1973

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
460A3-130	Key Washer
73-1348	Key Washer
7696521	Key Washer
G503-7696521	Key Washer
GP1124	Key Washer
R21163	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-769-6521?

The FSCG of the NSN 5310-00-769-6521 is 5310

Does the NSN 5310-00-769-6521 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-769-6521 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 5310-00-769-6521 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-769-6521 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 5310-00-769-6521 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961