5310-00-685-3682

Find complete technical information, availability, and procurement data for: 5310-00-685-3682
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-685-3682

Item Name Code

14218

Assigment Date

01/01/1963 (63 years ago)

0.221 inches minimum and 0.231 inches maximum hole diameter, 0.020 inches minimum and 0.025 inches maximum material thickness, steel comp 410 overall material, 0.394 inches minimum and 0.410 inches maximum outside diameter, 40.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating

Product Characteristics

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

Hole Diameter: 0.221 inches minimum and 0.231 inches maximum
Outside Diameter: 0.394 inches minimum and 0.410 inches maximum
Material Thickness: 0.020 inches minimum and 0.025 inches maximum
Hardness Rating: 40.0 rockwell c minimum and 50.0 rockwell c maximum
Material: steel comp 410 overall
Material Document And Classification: aisi assn std single material response overall
Surface Treatment: passivate overall
Style Designator: flat internal teeth

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-261-7148	No Name Available	02/05/2025
5310-00-262-3636	No Name Available	11/01/1976

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
373-0044-00	Lock Washer
373-0044-000	Lock Washer
636106-000	Lock Washer
N416P21	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-685-3682?

The FSCG of the NSN 5310-00-685-3682 is 5310

Does the NSN 5310-00-685-3682 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-685-3682 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 5310-00-685-3682 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-685-3682 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 5310-00-685-3682 was assigned to the Federal Catalog?

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