B18212ERRN040

View detailed technical data, stock status, and sourcing information for: B18212ERRN040
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-646-3417

Item Name Code

14218

Assigment Date

07/20/2015 (11 years ago)

A clamp in which the body (band or wire) completely encircles an item and distributes a relatively even amount of pressure throughout the entire 360 degrees (6.282 radians) of the periphery of the item to be compressed. Its compression quality is dependent upon an integral screw mechanism, (screw, bolt spring compression and the like mechanical fasteners), or it may be applied by a device not integral with the clamp itself. It is specifically designed to prevent leakage between a hose and its attaching connection(s) when the body of the clamp is round or circular. For square, rectangular, or irregularly shaped items, see clamp, hose, special-shaped. Excludes:clamp, electrical; clamp, loop; clamp, fire hose, shutoff; ferrule (as modified); and hand screw.

0.4 millimeters minimum and 0.6 millimeters maximum material thickness, external tooth lock washer part name assigned by controlling agency, engine, diesel end item identification, 4.1 millimeters minimum and 4.3 millimeters maximum hole diameter, 8.5 millimeters minimum and 9.0 millimeters maximum outside 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: 4.1 millimeters minimum and 4.3 millimeters maximum
Outside Diameter: 8.5 millimeters minimum and 9.0 millimeters maximum
Material Thickness: 0.4 millimeters minimum and 0.6 millimeters maximum
End Item Identification: engine, diesel
Part Name Assigned By Controlling Agency: external tooth lock washer
Material: steel corrosion resisting overall
Style Designator: split helical-right hand

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
ASME B18.21.2M-1994	Lock Washer
B18212ERRN040	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-646-3417?

The FSCG of the NSN 5310-01-646-3417 is 5310

Does the NSN 5310-01-646-3417 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-646-3417 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 5310-01-646-3417 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-646-3417 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 5310-01-646-3417 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Mon, Jul 20, 2015