0098-LL-TJ2-2571

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-194-3982

Item Name Code

16989

Assigment Date

11/14/1984 (41 years ago)

A switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. Excludes:baroswitch; switch,pressure-thermostatic; and switch,sensitive.

npt 1st end thread series designator, right-hand 1st end thread direction, 0.250 inches 1st end nominal thread size, manual valve operation method, poppet flow control device

Product Characteristics

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

Thread Direction: right-hand 1st end
Flow Control Device: poppet
Valve Operation Method: manual
Nominal Thread Size: 0.250 inches 1st end
Thread Series Designator: npt 1st end

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
0098-LL-TJ2-2571	Poppet Drain Cock
4820PL0977398	Poppet Drain Cock
5189425	Poppet Drain Cock
M-391A	Poppet Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-01-194-3982?

The FSCG of the NSN 4820-01-194-3982 is 4820

Does the NSN 4820-01-194-3982 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-194-3982 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 4820-01-194-3982 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-194-3982 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 4820-01-194-3982 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Nov 14, 1984