687A416P21

View detailed technical data, stock status, and sourcing information for: 687A416P21
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-540-8903

Item Name Code

05464

Assigment Date

01/01/1963 (63 years ago)

w/ keyway both ends bore style, 2.6645 inches nominal outside diameter, 2.5090 inches nominal pitch diameter, plain, solid body style, 30 teeth quantity

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: 2.5090 inches nominal
Teeth Quantity: 30
Bore Style: w/ keyway both ends
Nominal Outside Diameter: 2.6645 inches
Teeth Type: single helix
Tooth Form: standard
Tooth Direction: left
Pressure Angle: 20.0000 degrees
Helix Angle: 4.8664 degrees
Face Nominal Width: 0.500 inches
Bore Nominal Diameter: 0.5620 inches both ends
Keyway Nominal Width: 0.187 inches both ends
Nominal Distance From Bore Center To Keyway Bottom: 0.3900 inches both ends
Material: plastic overall
Style Designator: hubless

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
687A416	Helical Gear
687A416P21	Helical Gear

FAQs

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

What is the FSCG of the NSN 3020-00-540-8903?

The FSCG of the NSN 3020-00-540-8903 is 3020

Does the NSN 3020-00-540-8903 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-540-8903 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 3020-00-540-8903 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-540-8903 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 3020-00-540-8903 was assigned to the Federal Catalog?

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