5310-00-143-6210

Find complete technical information, availability, and procurement data for: 5310-00-143-6210
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-143-6210

Item Name Code

15933

Assigment Date

10/18/1968 (57 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.302 inches minimum and 0.312 inches maximum recess diameter, 0.190 inches minimum and 0.194 inches maximum hole diameter, 0.440 inches minimum and 0.500 inches maximum outside diameter, 0.078 inches minimum and 0.084 inches maximum material thickness, 180000 pounds per square inch minimum tensile strength

Product Characteristics

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

Hole Diameter: 0.190 inches minimum and 0.194 inches maximum
Outside Diameter: 0.440 inches minimum and 0.500 inches maximum
Recess Diameter: 0.302 inches minimum and 0.312 inches maximum
Material Thickness: 0.078 inches minimum and 0.084 inches maximum
Minimum Tensile Strength: 180000 pounds per square inch
Recess Angle: 90.0 degrees nominal
Surface Finish: 63.0 microinches all surfaces
Heat Treatment: as fabricated
Material: steel comp 4140 overall
Material Document And Classification: mil-s-5626 mil spec single material response overall
Style Designator: recessed

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
NAS1069C3	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-143-6210?

The FSCG of the NSN 5310-00-143-6210 is 5310

Does the NSN 5310-00-143-6210 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-143-6210 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 5310-00-143-6210 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-143-6210 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 5310-00-143-6210 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Oct 18, 1968