19A5M11-280

View detailed technical data, stock status, and sourcing information for: 19A5M11-280
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-294-9927

Item Name Code

01869

Assigment Date

09/17/1973 (52 years ago)

A flat internally toothed belt or a round belt with protuding pins, designed to engage with corresponding teeth or corresponding grooves on the sprockets over which they run.

0.250 inches nominal external prebent key width, 0.875 inches nominal outside diameter, 1.062 inches nominal external prebent key length, 0.500 inches nominal hole diameter, 0.438 inches nominal distance from centerline to inside of prebent key

Product Characteristics

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

Hole Diameter: 0.500 inches nominal
Outside Diameter: 0.875 inches nominal
External Prebent Key Length: 1.062 inches nominal
External Prebent Key Width: 0.250 inches nominal
Distance From Centerline To Inside Of Prebent Key: 0.438 inches nominal
External Key Quantity: 2
Material Thickness: 0.062 inches nominal
External Prebent Key Angle: 180.0 degrees nominal
Material: nickel alloy and copper alloy overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-064-5385	No Name Available	07/01/1985
5310-01-377-5173	No Name Available	01/01/2002

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
19A5-X-11	Key Washer
19A5M11	Key Washer
19A5M11-280	Key Washer
19A5X11	Key Washer
19A5X11-280	Key Washer
19A5X11280	Key Washer
PL-11256-F-18 I	Key Washer
PL-11256-F-18 ITEM241D	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-294-9927?

The FSCG of the NSN 5310-00-294-9927 is 5310

Does NSN 5310-00-294-9927 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 5310-00-294-9927 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-294-9927 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 5310-00-294-9927 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Mon, Sep 17, 1973