5310-01-280-6769

Find complete technical information, availability, and procurement data for: 5310-01-280-6769
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-280-6769

Item Name Code

01869

Assigment Date

06/13/1988 (38 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.

0.447 inches nominal distance from centerline to top of internal key, 1.559 inches minimum and 1.561 inches maximum outside diameter, 0.220 inches nominal external straight key width, 0.220 inches nominal internal straight key width, 1.170 inches nominal hole 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: 1.170 inches nominal
Outside Diameter: 1.559 inches minimum and 1.561 inches maximum
External Straight Key Width: 0.220 inches nominal
Internal Straight Key Width: 0.220 inches nominal
Distance From Centerline To Top Of Internal Key: 0.447 inches nominal
External Key Quantity: 1
Internal Key Quantity: 1
Material Thickness: 0.092 inches minimum and 0.094 inches maximum
Hardness Rating: 33.0 rockwell c minimum and 38.0 rockwell c maximum
Color: black overall
Material: steel comp 4340 overall
Material Document And Classification: mil-s-5000 mil spec single material response overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: mil-c-13924,class 1 mil spec single treatment response overall
Style Designator: key
Test Data Document: "78286-ss8805 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

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
61350-24056-101	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-280-6769?

The FSCG of the NSN 5310-01-280-6769 is 5310

Does the NSN 5310-01-280-6769 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-280-6769 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 5310-01-280-6769 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-280-6769 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 5310-01-280-6769 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Jun 13, 1988