6766056

View detailed technical data, stock status, and sourcing information for: 6766056
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-272-5680

Item Name Code

15933

Assigment Date

01/01/1963 (63 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

0.390 inches minimum and 0.410 inches maximum recess diameter, 0.270 inches minimum and 0.277 inches maximum hole diameter, 0.740 inches minimum and 0.760 inches maximum outside diameter, 0.090 inches nominal recess depth, 0.080 inches minimum and 0.100 inches maximum overall height

Product Characteristics

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

Hole Diameter: 0.270 inches minimum and 0.277 inches maximum
Outside Diameter: 0.740 inches minimum and 0.760 inches maximum
Overall Height: 0.080 inches minimum and 0.100 inches maximum
Recess Diameter: 0.390 inches minimum and 0.410 inches maximum
Recess Depth: 0.090 inches nominal
Material Thickness: 0.090 inches nominal
Recess Angle: 81.0 degrees minimum and 83.0 degrees maximum
Material: steel comp 1008 or steel comp 1009 or steel comp 1015 or steel comp 1018 or steel comp 1020 overall
Material Document And Classification: qq-s-698 fed spec all material responses overall
Style Designator: recessed

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
53102725680	Recessed Washer
6766056	Recessed Washer
7994974	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-272-5680?

The FSCG of the NSN 5310-00-272-5680 is 5310

Does the NSN 5310-00-272-5680 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-272-5680 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 5310-00-272-5680 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-272-5680 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 5310-00-272-5680 was assigned to the Federal Catalog?

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