522-4775874 ITEM 18

View detailed technical data, stock status, and sourcing information for: 522-4775874 ITEM 18
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-283-7780

Item Name Code

13393

Assigment Date

08/12/1988 (37 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

round center hole shape style, 0.406 inches nominal hole diameter, round peripheral shape style, rectangular cross-sectional shape style, 0.063 inches nominal thickness

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.406 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.063 inches nominal
Overall Diameter: 1.000 inches nominal
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281,class a fed spec single material response overall

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
522-4775874 ITEM 18	Flat Washer
60-28-0525	Flat Washer
709-5343943 ITEM 24	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-283-7780?

The FSCG of the NSN 5310-01-283-7780 is 5310

Does the NSN 5310-01-283-7780 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-283-7780 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 5310-01-283-7780 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-283-7780 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 5310-01-283-7780 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Fri, Aug 12, 1988