1407-71

View detailed technical data, stock status, and sourcing information for: 1407-71
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-083-3844

Item Name Code

06158

Assigment Date

01/01/1963 (63 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more notches. Excludes:thrust type washers.

0.437 inches nominal distance from centerline to bottom of internal keyway, 6 internal keyway quantity, 0.215 inches minimum and 0.217 inches maximum internal keyway width, 0.680 inches minimum and 0.685 inches maximum hole diameter, 1.750 inches nominal 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: 0.680 inches minimum and 0.685 inches maximum
Outside Diameter: 1.750 inches nominal
Internal Keyway Width: 0.215 inches minimum and 0.217 inches maximum
Distance From Centerline To Bottom Of Internal Keyway: 0.437 inches nominal
Internal Keyway Quantity: 6
Material Thickness: 0.028 inches minimum and 0.032 inches maximum
Hardness Rating: 40.0 rockwell c minimum and 44.0 rockwell c maximum
Surface Finish: 100.0 microinches all surfaces
Surface Finish: 40.0 microinches top
Material: steel overall
Material Document And Classification: astm a576 assn std single material response or astm a108 assn std single material response overall

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
1407-71	Keyway Washer
1407B71	Keyway Washer

FAQs

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

What is the FSCG of the NSN 5310-00-083-3844?

The FSCG of the NSN 5310-00-083-3844 is 5310

Does the NSN 5310-00-083-3844 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-083-3844 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 5310-00-083-3844 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-083-3844 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 5310-00-083-3844 was assigned to the Federal Catalog?

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