2190-0028

View detailed technical data, stock status, and sourcing information for: 2190-0028
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-080-9786

Item Name Code

14218

Assigment Date

01/01/1963 (63 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle end item identification, 40.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating, 0.195 inches minimum and 0.204 inches maximum hole diameter, 0.580 inches minimum and 0.610 inches maximum outside diameter, 0.028 inches minimum and 0.034 inches maximum material thickness

Product Characteristics

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

Hole Diameter: 0.195 inches minimum and 0.204 inches maximum
Outside Diameter: 0.580 inches minimum and 0.610 inches maximum
Material Thickness: 0.028 inches minimum and 0.034 inches maximum
End Item Identification: multiple launch rocket system (mlrs); a4 bradley fighting vehicle; a3 bradley fighting vehicle
Hardness Rating: 40.0 rockwell c minimum and 50.0 rockwell c maximum
Material: steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1055 or steel comp 1060 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Style Designator: flat external and internal teeth

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-017-8378	No Name Available	02/01/1980
5310-00-198-3748	No Name Available	04/01/2002
5310-00-984-3811	No Name Available	10/01/1982

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
10082381	Lock Washer
178378	Lock Washer
2190-0028	Lock Washer
2261HX1	Lock Washer
5310000809786	Lock Washer
53100809786	Lock Washer
5310PL0734322	Lock Washer
MS45904-60	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-080-9786?

The FSCG of the NSN 5310-00-080-9786 is 5310

Does the NSN 5310-00-080-9786 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-080-9786 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 5310-00-080-9786 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-080-9786 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 5310-00-080-9786 was assigned to the Federal Catalog?

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