5310-01-270-8858

Find complete technical information, availability, and procurement data for: 5310-01-270-8858
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-270-8858

Item Name Code

15933

Assigment Date

01/15/1988 (38 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.

0.089 inches minimum and 0.099 inches maximum material thickness, 0.318 inches minimum and 0.338 inches maximum hole diameter, 240000 pounds per square inch minimum tensile strength, 0.358 inches minimum and 0.378 inches maximum top recess diameter, 0.5525 inches minimum and 0.5725 inches maximum outside 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: 0.318 inches minimum and 0.338 inches maximum
Outside Diameter: 0.5525 inches minimum and 0.5725 inches maximum
Material Thickness: 0.089 inches minimum and 0.099 inches maximum
Minimum Tensile Strength: 240000 pounds per square inch
Top Recess Diameter: 0.358 inches minimum and 0.378 inches maximum
Bottom Recess Angle: 89.0 degrees minimum and 91.0 degrees maximum
Top Recess Angle: 89.0 degrees minimum and 91.0 degrees maximum
Bottom Recess Diameter: 0.358 inches minimum and 0.378 inches maximum
Surface Finish: 63.0 microinches bottom
Surface Finish: 63.0 microinches top
Special Features: 0.020 in. min thk at id
Material: steel comp h11 overall
Material Document And Classification: ams 6485 assn std single material response or ams 6487 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: mil-c-8837,ty2,cl2 mil spec single treatment response overall
Style Designator: recessed both sides

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
140-007-21-18A3	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-270-8858?

The FSCG of the NSN 5310-01-270-8858 is 5310

Does the NSN 5310-01-270-8858 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-270-8858 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 5310-01-270-8858 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-270-8858 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 5310-01-270-8858 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Jan 15, 1988