44240

View detailed technical data, stock status, and sourcing information for: 44240
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-562-2881

Item Name Code

15933

Assigment Date

01/01/1963 (63 years ago)

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

82.0 degrees nominal recess angle, 0.094 inches minimum and 0.110 inches maximum material thickness, 0.230 inches nominal recess diameter, 0.500 inches nominal outside diameter, 0.116 inches nominal 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: 0.116 inches nominal
Outside Diameter: 0.500 inches nominal
Recess Diameter: 0.230 inches nominal
Material Thickness: 0.094 inches minimum and 0.110 inches maximum
Recess Angle: 82.0 degrees nominal
Surface Finish: 63.0 microinches all surfaces
Special Features: 15 deg chamfer angle on outside right corner
Material: steel comp 303 overall
Material Document And Classification: astm a582 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: gps20-200,fscm 24930 mfr ref 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
44240	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-562-2881?

The FSCG of the NSN 5310-00-562-2881 is 5310

Does the NSN 5310-00-562-2881 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-562-2881 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 5310-00-562-2881 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-562-2881 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 5310-00-562-2881 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963