5310-01-042-1801

Find complete technical information, availability, and procurement data for: 5310-01-042-1801
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-042-1801

Item Name Code

15933

Assigment Date

06/07/1977 (49 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.

0.757 inches minimum and 0.770 inches maximum hole diameter, 0.890 inches minimum and 0.910 inches maximum recess diameter, 1.250 inches nominal outside diameter, 45.0 degrees nominal recess angle, 0.078 inches nominal material thickness

Product Characteristics

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

Hole Diameter: 0.757 inches minimum and 0.770 inches maximum
Outside Diameter: 1.250 inches nominal
Recess Diameter: 0.890 inches minimum and 0.910 inches maximum
Material Thickness: 0.078 inches nominal
Recess Angle: 45.0 degrees nominal
Surface Finish: 125.0 microinches all surfaces
Special Features: one side chamfer 45 degree by 0.040 in lg
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
A51B94007-11	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-042-1801?

The FSCG of the NSN 5310-01-042-1801 is 5310

Does NSN 5310-01-042-1801 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 5310-01-042-1801 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-042-1801 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 5310-01-042-1801 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Tue, Jun 7, 1977