4198004-16

View detailed technical data, stock status, and sourcing information for: 4198004-16
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-012-0930

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.

40.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating, steel overall material, 0.670 inches minimum and 0.694 inches maximum outside diameter, 0.032 inches minimum and 0.040 inches maximum material thickness, 0.384 inches minimum and 0.398 inches maximum 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: 0.384 inches minimum and 0.398 inches maximum
Outside Diameter: 0.670 inches minimum and 0.694 inches maximum
Material Thickness: 0.032 inches minimum and 0.040 inches maximum
Hardness Rating: 40.0 rockwell c minimum and 50.0 rockwell c maximum
Material: steel overall
Material Document And Classification: fed std 66 fed std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Style Designator: flat external teeth

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
4198004-16	Lock Washer
7697469	Lock Washer
X2978DR	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-012-0930?

The FSCG of the NSN 5310-00-012-0930 is 5310

Does the NSN 5310-00-012-0930 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-012-0930 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 5310-00-012-0930 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-012-0930 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 5310-00-012-0930 was assigned to the Federal Catalog?

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