1878-64

View detailed technical data, stock status, and sourcing information for: 1878-64
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-678-0272

Item Name Code

05466

Assigment Date

01/01/1963 (63 years ago)

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.

0.5000 inches nominal pitch diameter, plain, solid body style, 24 teeth quantity, plain both ends bore style, 0.542 inches nominal outside diameter

Product Characteristics

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

Body Style: plain, solid
Pitch Diameter: 0.5000 inches nominal
Teeth Quantity: 24
Bore Style: plain both ends
Nominal Outside Diameter: 0.542 inches
Tooth Form: standard
Pressure Angle: 20.0000 degrees
Nominal Distance Between Body Face And Protruding Hub End: 0.250 inches first end
Face Nominal Width: 0.125 inches
Bore Nominal Diameter: 0.188 inches both ends
Hub Style Designator: plain first end
Hub Nominal Diameter: 0.375 inches first end
Material: copper alloy overall
Style Designator: protruding hub

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
1878-64	Spur Gear
1883-53	Spur Gear
X-72481-00	Spur Gear

FAQs

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

What is the FSCG of the NSN 3020-00-678-0272?

The FSCG of the NSN 3020-00-678-0272 is 3020

Does the NSN 3020-00-678-0272 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-678-0272 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 3020-00-678-0272 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-678-0272 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 3020-00-678-0272 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963