29984 PIECE 4 2IN

View detailed technical data, stock status, and sourcing information for: 29984 PIECE 4 2IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-188-5899

Item Name Code

22113

Assigment Date

09/06/1984 (41 years ago)

An item specifically designed for mechanically or electronically positioning one or more radio frequency transmission line sections so as to couple it or them to other sections in a radio frequency transmission line system. The switching function may be operated by a manual actuator, an electromechanical actuator or by means of an arrangement of semiconductors and passive circuit devices. For items designed to provide the transfer of the electrical signal, see: switch,rotary and switch,electronic. Excludes: relay, (as modified).

1.901 inches minimum and 1.911 inches maximum body inside diameter, 0.495 inches minimum and 0.505 inches maximum under flange height, 2.220 inches nominal flange diameter, 0.380 inches minimum and 0.384 inches maximum flange seat to disk end height, 2.2812 inches nominal body outside diameter

Product Characteristics

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

Flange Diameter: 2.220 inches nominal
Body Outside Diameter: 2.2812 inches nominal
Body Inside Diameter: 1.901 inches minimum and 1.911 inches maximum
Flange Seat To Disk End Height: 0.380 inches minimum and 0.384 inches maximum
Under Flange Height: 0.495 inches minimum and 0.505 inches maximum
Hardness Rating: 262.0 brinell standard minimum and 302.0 brinell standard maximum overall
Seating Surface Shape: flat
Material: steel corrosion resisting overall
Material Document And Classification: astm a351 gr.cf-8m assn std single material response seat
Style Designator: plain flanged

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
29984 PIECE 4 2IN	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-188-5899?

The FSCG of the NSN 4820-01-188-5899 is 4820

Does the NSN 4820-01-188-5899 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-188-5899 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 4820-01-188-5899 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-188-5899 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 4820-01-188-5899 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Sep 6, 1984