820212-12

View detailed technical data, stock status, and sourcing information for: 820212-12
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-01-385-1271

Item Name Code

05468

Assigment Date

01/04/1994 (32 years ago)

A metallic, threaded, screw-shaped item used in hydraulic brake cylinders, hydraulic power units, missile launching hydraulic systems, and the like, for the purpose of providing a means of releasing air form and/or flushing a hydraulic system. It may be furnished with or without a dust cap. Excludes:spring loaded or automatic type air pressure relief valves, and bolt, fluid passage.

4.1670 inches nominal pitch diameter, plain both ends bore style, concave face type, plain, solid body style, 24 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: 4.1670 inches nominal
Teeth Quantity: 24
Face Type: concave
Bore Style: plain both ends
Nominal Outside Diameter: 4.375 inches
Tooth Direction: right
Throat Nominal Radius: 1.5509 inches
Pressure Angle: 14.5000 degrees
Helix Angle: 4.7666 degrees
Face Nominal Width: 0.500 inches
Bore Nominal Diameter: 1.602 inches both ends
Material: bronze overall
Style Designator: hubless

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3020-01-297-5456	No Name Available	04/01/2008

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
300311	Worm Wheel Gear
300311PL	Worm Wheel Gear
300311PL FIND 1 820212-12	Worm Wheel Gear
810212	Worm Wheel Gear
810212-50	Worm Wheel Gear
810212B-50	Worm Wheel Gear
820212	Worm Wheel Gear
820212-12	Worm Wheel Gear
884010PL FIND 7	Worm Wheel Gear

FAQs

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

What is the FSCG of the NSN 3020-01-385-1271?

The FSCG of the NSN 3020-01-385-1271 is 3020

Does the NSN 3020-01-385-1271 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-01-385-1271 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 3020-01-385-1271 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-01-385-1271 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 3020-01-385-1271 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, Jan 4, 1994