5310-00-230-7749

Find complete technical information, availability, and procurement data for: 5310-00-230-7749
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-230-7749

Item Name Code

14218

Assigment Date

05/23/1973 (53 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

steel comp 304 or steel comp 316 overall material, 0.025 inches minimum and 0.032 inches maximum material thickness, 0.494 inches minimum and 0.506 inches maximum outside diameter, black overall color, 0.142 inches minimum and 0.150 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: 0.142 inches minimum and 0.150 inches maximum
Outside Diameter: 0.494 inches minimum and 0.506 inches maximum
Material Thickness: 0.025 inches minimum and 0.032 inches maximum
Color: black overall
Material: steel comp 304 or steel comp 316 overall
Material Document And Classification: qq-s-763 fed spec all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-f-14072 finish e300 mil spec single treatment response or mil-c-13924,cl 2 mil spec single treatment response overall
Style Designator: flat external and internal teeth

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
SMB745222-1	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-230-7749?

The FSCG of the NSN 5310-00-230-7749 is 5310

Does the NSN 5310-00-230-7749 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-230-7749 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 5310-00-230-7749 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-230-7749 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 5310-00-230-7749 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, May 23, 1973