MS172201

View detailed technical data, stock status, and sourcing information for: MS172201
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-278-7014

Item Name Code

01869

Assigment Date

01/01/1961 (65 years ago)

0.531 inches minimum and 0.551 inches maximum outside diameter, 0.110 inches minimum and 0.120 inches maximum internal prebent key width, 0.406 inches minimum and 0.421 inches maximum hole diameter, 0.062 inches minimum and 0.094 inches maximum internal prebent key length, 0.0840 inches minimum and 0.104 inches maximum external prebent key width

Product Characteristics

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

Hole Diameter: 0.406 inches minimum and 0.421 inches maximum
Outside Diameter: 0.531 inches minimum and 0.551 inches maximum
Internal Prebent Key Length: 0.062 inches minimum and 0.094 inches maximum
External Prebent Key Width: 0.0840 inches minimum and 0.104 inches maximum
Internal Prebent Key Width: 0.110 inches minimum and 0.120 inches maximum
Overall Distance Including Keys: 0.798 inches minimum and 0.828 inches maximum
External Key Quantity: 9
Material Thickness: 0.036 inches minimum and 0.046 inches maximum
Material: steel overall
Material Document And Classification: ams6350 assn std single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: ams2481 assn std single treatment response overall
Style Designator: key

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
MS172201	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-278-7014?

The FSCG of the NSN 5310-00-278-7014 is 5310

Does the NSN 5310-00-278-7014 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-278-7014 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 5310-00-278-7014 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-278-7014 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 5310-00-278-7014 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961