5310-01-243-9437

Find complete technical information, availability, and procurement data for: 5310-01-243-9437
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-243-9437

Item Name Code

15935

Assigment Date

11/05/1986 (39 years ago)

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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.

4.560 inches nominal shoulder diameter, 0.340 inches nominal shoulder height, 5.880 inches nominal outside diameter, 4.025 inches minimum and 4.035 inches maximum hole diameter, 0.159 inches minimum and 0.163 inches maximum 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: 4.025 inches minimum and 4.035 inches maximum
Shoulder Diameter: 4.560 inches nominal
Outside Diameter: 5.880 inches nominal
Shoulder Height: 0.340 inches nominal
Material Thickness: 0.159 inches minimum and 0.163 inches maximum
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum
Special Features: depth of bottom recess 0.160 in.,chamfer outer edge 30 deg
Material: steel comp 4140 or steel comp 4142 or steel comp 8640 overall
Material Document And Classification: astm a322 assn std all material responses 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
13211E8712	Shouldered and Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-243-9437?

The FSCG of the NSN 5310-01-243-9437 is 5310

Does the NSN 5310-01-243-9437 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-01-243-9437 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 5310-01-243-9437 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-243-9437 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 5310-01-243-9437 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Nov 5, 1986