5310-00-421-7908

Find complete technical information, availability, and procurement data for: 5310-00-421-7908
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-421-7908

Item Name Code

14218

Assigment Date

12/21/1970 (55 years ago)

An item consisting of insulating material, which is specifically designed to have fastened thereon, or on which are fastened terminal(s), such as screws, solder lugs, solder studs, solderless connectors, clips, and the like. It is usually used for junctions or terminations of wire or cable assemblies. It does not include items as defined above with parts, such as resistors and capacitors mounted thereon. Do not use if a more specific name exists, such as fuseholder; holder, resistor; fanning strip; contact assembly, electrical; jack assembly, tip; chamber, cable terminal; panel (2) (as modified); connector (as modified). Excludes:terminal, stud; terminal, feedthru, insulated; post, binding, electrical; and chassis, electrical-electronic equipment. For items having printed electrical conductor paths, see printed wiring board.

0.017 inches minimum and 0.021 inches maximum material thickness, 0.141 inches minimum and 0.150 inches maximum hole diameter, steel comp 302 or steel comp 420 overall material, 0.275 inches minimum and 0.295 inches maximum outside diameter, 35.0 rockwell c minimum and 53.0 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: 0.141 inches minimum and 0.150 inches maximum
Outside Diameter: 0.275 inches minimum and 0.295 inches maximum
Material Thickness: 0.017 inches minimum and 0.021 inches maximum
Hardness Rating: 35.0 rockwell c minimum and 53.0 rockwell c maximum
Material: steel comp 302 or steel comp 420 overall
Material Document And Classification: 66 fed spec all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072 fn e300 mil spec single treatment response 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-444-3777	No Name Available	01/01/1983
5310-00-898-9542	No Name Available	07/01/1983

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
SMB632687	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-421-7908?

The FSCG of the NSN 5310-00-421-7908 is 5310

Does the NSN 5310-00-421-7908 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-421-7908 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 5310-00-421-7908 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-421-7908 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 5310-00-421-7908 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Dec 21, 1970