A3291-2

View detailed technical data, stock status, and sourcing information for: A3291-2
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-877-0290

Item Name Code

05467

Assigment Date

08/14/1967 (59 years ago)

right-hand thread form direction, plain both ends bore style, 0.5000 inches nominal pitch diameter, 4 thread form quantity, 0.531 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.

Pitch Diameter: 0.5000 inches nominal
Bore Style: plain both ends
Nominal Outside Diameter: 0.531 inches
Thread Form Quantity: 4
Thread Form Direction: right-hand
Pressure Angle: 20.0000 degrees
Helix Angle: 7.0000 degrees
Nominal Distance Between Body Face And Protruding Hub End: 0.224 inches first end
Face Nominal Width: 0.750 inches
Bore Nominal Diameter: 0.250 inches both ends
Hub Style Designator: pinned first end
Hub Nominal Diameter: 0.432 inches first end
Material: steel corrosion resisting overall
Surface Treatment: passivate 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
A3291-2	Worm Gear

FAQs

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

What is the FSCG of the NSN 3020-00-877-0290?

The FSCG of the NSN 3020-00-877-0290 is 3020

Does the NSN 3020-00-877-0290 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-877-0290 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 3020-00-877-0290 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-877-0290 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 3020-00-877-0290 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Mon, Aug 14, 1967