4820-01-631-4491

Find complete technical information, availability, and procurement data for: 4820-01-631-4491
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-631-4491

Item Name Code

05489

Assigment Date

09/15/2014 (11 years ago)

A resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also attenuator, fixed and resistor, fixed, composition. Excludes:carbon composition type resistors.

adjustable rotation stop features provided, lug mounting facility, 3.00 inches valve size, manual valve operation method, sentinel class fast response cutter b (frc-b) end item identification

Product Characteristics

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

End Item Identification: sentinel class fast response cutter b (frc-b)
Valve Operation Method: manual
Mounting Facility: lug
Features Provided: adjustable rotation stop
Valve Size: 3.00 inches
Maximum Operating Pressure: 200.0 pounds per square inch single response
Part Name Assigned By Controlling Agency: butterfly vavle 3 inch
Special Features: lug style body; supplied with handwheel with worm gear and position indicator, self-locking all position, adjustment screws stop travel at open/closed positions
Material: aluminum alloy body
Material: nickel alloy flow control device
Material: rubber butadiene-acrylonitrile class nbr seat
Material: steel comp 316 stem
Material Document And Classification: 316 ss mfr ref single material response packing
Material Document And Classification: aluminum bronze mfr ref single material response body
Material Document And Classification: monel mfr ref single material response flow control device
Style Designator: straight thru
Furnished Items And Quantity: 1 handwheel and 1 indicator

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
22925-532431A	Butterfly Valve

FAQs

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

What is the FSCG of the NSN 4820-01-631-4491?

The FSCG of the NSN 4820-01-631-4491 is 4820

Does NSN 4820-01-631-4491 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 4820-01-631-4491 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-631-4491 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 4820-01-631-4491 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Mon, Sep 15, 2014