3212 PIECE 2

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-171-4511

Item Name Code

40088

Assigment Date

02/07/1984 (42 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

3.710 inches nominal overall width, 0.290 inches nominal hole diameter, 0.365 inches nominal overall height, 2.859 inches nominal overall length, 1.125 inches nominal radius

Product Characteristics

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

Hole Diameter: 0.290 inches nominal
Radius: 1.125 inches nominal
Overall Length: 2.859 inches nominal
Overall Height: 0.365 inches nominal
Overall Width: 3.710 inches nominal
Material Thickness: 0.180 inches nominal
Outside Corner Radius: 0.359 inches nominal
Center To Center Distance Between Bolt Holes Along Width: 2.170 inches nominal
Center To Center Distance Between Bolt Holes Along Length: 1.859 inches nominal
Center Hole Diameter: 0.115 inches nominal
Bolt Hole Quantity: 4
Special Features: w/cres stud in disk center
Material: rubber synthetic
Style Designator: special shaped

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
000346	Special Actuator Valve Diaphragm
3212 PIECE 2	Special Actuator Valve Diaphragm

FAQs

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

What is the FSCG of the NSN 4820-01-171-4511?

The FSCG of the NSN 4820-01-171-4511 is 4820

Does the NSN 4820-01-171-4511 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-171-4511 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 4820-01-171-4511 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-171-4511 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 4820-01-171-4511 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Feb 7, 1984