5310-01-219-7218

Find complete technical information, availability, and procurement data for: 5310-01-219-7218
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-219-7218

Item Name Code

14218

Assigment Date

11/01/1985 (40 years ago)

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes:washer (1), recessed and bearing, washer, thrust.

85.0 rockwell b minimum and 95.0 rockwell b maximum hardness rating, 0.256 inches minimum and 0.267 inches maximum hole diameter, 0.395 inches minimum and 0.410 inches maximum outside diameter, hardness rating rockwell b scale alum alloy 425,89 min 94 max special features, 0.016 inches minimum and 0.020 inches maximum material thickness

Product Characteristics

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

Hole Diameter: 0.256 inches minimum and 0.267 inches maximum
Outside Diameter: 0.395 inches minimum and 0.410 inches maximum
Material Thickness: 0.016 inches minimum and 0.020 inches maximum
Hardness Rating: 85.0 rockwell b minimum and 95.0 rockwell b maximum
Special Features: hardness rating rockwell b scale alum alloy 425,89 min 94 max
Material: copper alloy 510 or copper alloy 425 overall
Material Document And Classification: qq-b-750 fed spec 1st material response overall
Style Designator: flat internal teeth
Nondefinitive Spec/Std Data: 1 type and a grade and 3 composition or 4 composition

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
MS35333-145	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-219-7218?

The FSCG of the NSN 5310-01-219-7218 is 5310

Does the NSN 5310-01-219-7218 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-01-219-7218 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 5310-01-219-7218 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-219-7218 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 5310-01-219-7218 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Nov 1, 1985