5365-00-068-4385

Find complete technical information, availability, and procurement data for: 5365-00-068-4385
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5365 Bushings, Rings, Shims and Spacers

National Stock Number

5365-00-068-4385

Item Name Code

16013

Assigment Date

01/01/1963 (63 years ago)

A locking device which is serrated on the inside and outside diameters. It may have outer serrations omitted on one or two sides for close edge installation. The inner serrations engage the mating serrations of bolts, inserts, nuts, studs or similar items to be locked in place. The outer serrations broach their way into parent material when driven or pressed into place.

0.099 inches nominal overall height, 24 outer serration quantity, 0.354 inches nominal overall outside diameter, 0.213 inches nominal inside diameter, 0.298 inches nominal pilot diameter

Product Characteristics

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

Inside Diameter: 0.213 inches nominal
Pilot Diameter: 0.298 inches nominal
Overall Height: 0.099 inches nominal
Overall Outside Diameter: 0.354 inches nominal
Outer Serration Quantity: 24
Inner Serration Quantity: 13
Side Outer Serrations Omitted For Close Edge Installation: two sides
Material: steel comp 1117
Surface Treatment: cadmium

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5365-00-576-7376	No Name Available	02/26/1973

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
FF21SB6	Serrated Lock Ring
MS51990-104P	Serrated Lock Ring
RLFF21SB6	Serrated Lock Ring
RLRR21SA6	Serrated Lock Ring
RLRR21SB6	Serrated Lock Ring

FAQs

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

What is the FSCG of the NSN 5365-00-068-4385?

The FSCG of the NSN 5365-00-068-4385 is 5365

Does the NSN 5365-00-068-4385 have a Schedule B code assigned?

Yes, the Schedule B code is 7318130000

Does NSN 5365-00-068-4385 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 5365-00-068-4385 contain precious materials?

Item does not contain precious metal.

Does NSN 5365-00-068-4385 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 5365-00-068-4385 was assigned to the Federal Catalog?

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