03A280C5A

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-349-9650

Item Name Code

15933

Assigment Date

12/07/1991 (34 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.

0.575 inches minimum and 0.585 inches maximum outside diameter, 0.057 inches minimum and 0.069 inches maximum material thickness, 0.314 inches minimum and 0.318 inches maximum hole diameter, 0.386 inches minimum and 0.396 inches maximum recess diameter, 90.0 degrees nominal recess angle

Product Characteristics

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

Hole Diameter: 0.314 inches minimum and 0.318 inches maximum
Outside Diameter: 0.575 inches minimum and 0.585 inches maximum
Recess Diameter: 0.386 inches minimum and 0.396 inches maximum
Material Thickness: 0.057 inches minimum and 0.069 inches maximum
Recess Angle: 90.0 degrees nominal
Material: nickel alloy 718 overall
Material Document And Classification: ams 5596 assn std single material response or ams 5597 assn std single material response or ams 5662 assn std single material response overall
Surface Treatment: aluminum alloy overall
Surface Treatment Document And Classification: mil-c-83488,ty 2,cl 3 mil spec single treatment 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
03A280C5A	Recessed Washer
AS32990C5A	Recessed Washer
MM891C5A	Recessed Washer
NS202859C5A	Recessed Washer
VN948YNP5CA	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-349-9650?

The FSCG of the NSN 5310-01-349-9650 is 5310

Does the NSN 5310-01-349-9650 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-349-9650 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 5310-01-349-9650 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-349-9650 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 5310-01-349-9650 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Sat, Dec 7, 1991