2455-57

View detailed technical data, stock status, and sourcing information for: 2455-57
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-272-6042

Item Name Code

05467

Assigment Date

01/01/1963 (63 years ago)

1 thread form quantity, straight face type, 2.646 inches nominal outside diameter, 2.2500 inches nominal pitch diameter, w/ keyway both ends bore style

Product Characteristics

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

Pitch Diameter: 2.2500 inches nominal
Face Type: straight
Bore Style: w/ keyway both ends
Nominal Outside Diameter: 2.646 inches
Thread Form Quantity: 1
Thread Form Direction: right-hand
Pressure Angle: 14.5000 degrees
Helix Angle: 4.9663 degrees
Face Nominal Width: 3.609 inches
Bore Nominal Diameter: 0.998 inches both ends
Keyway Nominal Width: 0.250 inches both ends
Nominal Distance From Bore Center To Keyway Bottom: 0.593 inches both ends
Material: nickel alloy overall
Material Document And Classification: mil-n-994c,class a mil spec single material response 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
2455-57	Worm Gear
2455-57PCA3	Worm Gear
532340	Worm Gear
532340PCA3	Worm Gear

FAQs

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

What is the FSCG of the NSN 3020-00-272-6042?

The FSCG of the NSN 3020-00-272-6042 is 3020

Does the NSN 3020-00-272-6042 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-272-6042 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 3020-00-272-6042 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-00-272-6042 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 3020-00-272-6042 was assigned to the Federal Catalog?

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