085 310 19

View detailed technical data, stock status, and sourcing information for: 085 310 19
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-264-9409

Item Name Code

14218

Assigment Date

10/08/1987 (38 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.

21.1 millimeters maximum outside diameter, 2.35 millimeters minimum and 2.65 millimeters maximum material thickness, 12.2 millimeters minimum and 12.7 millimeters maximum hole diameter, medium mine protected vehicle - mmpv end item identification, 44.0 rockwell c minimum and 51.0 rockwell c maximum hardness rating

Product Characteristics

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

Hole Diameter: 12.2 millimeters minimum and 12.7 millimeters maximum
Outside Diameter: 21.1 millimeters maximum
Material Thickness: 2.35 millimeters minimum and 2.65 millimeters maximum
End Item Identification: medium mine protected vehicle - mmpv
Hardness Rating: 44.0 rockwell c minimum and 51.0 rockwell c maximum
Material: steel overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: din267,sheet 9,code a4 national spec 1st treatment response and din50941,process group c national spec 2nd treatment response 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
085 310 19	Lock Washer
B-12-DIN-127	Lock Washer
DIN127-B12-A4C	Lock Washer
DIN127B-M12-A4C	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-264-9409?

The FSCG of the NSN 5310-01-264-9409 is 5310

Does the NSN 5310-01-264-9409 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-264-9409 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 5310-01-264-9409 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-264-9409 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 5310-01-264-9409 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Oct 8, 1987