5310-01-124-5250

Find complete technical information, availability, and procurement data for: 5310-01-124-5250
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-124-5250

Item Name Code

06158

Assigment Date

01/06/1982 (44 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.186 inches minimum and 0.190 inches maximum material thickness, 1.900 inches nominal hole diameter, 0.290 inches nominal external keyway width, 2.312 inches nominal outside diameter, 6 external keyway quantity

Product Characteristics

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

Hole Diameter: 1.900 inches nominal
Outside Diameter: 2.312 inches nominal
External Keyway Width: 0.290 inches nominal
External Keyway Quantity: 6
Material Thickness: 0.186 inches minimum and 0.190 inches maximum
Special Features: chamfer both outside edges 0.030 in. by 45 deg,6 slots equally spaced 60 deg
Material: steel comp 4340 overall
Material Document And Classification: mil-s-8844,cl 1,cond e2 mil spec 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
10109423	Keyway Washer
74A410516-2001	Keyway Washer

FAQs

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

What is the FSCG of the NSN 5310-01-124-5250?

The FSCG of the NSN 5310-01-124-5250 is 5310

Does the NSN 5310-01-124-5250 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-124-5250 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 5310-01-124-5250 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-124-5250 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 5310-01-124-5250 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Jan 6, 1982