1001449

View detailed technical data, stock status, and sourcing information for: 1001449
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-019-2749

Item Name Code

27565

Assigment Date

04/14/1976 (50 years ago)

A metallic item, usually square or rectangular in cross section, usually longer in relation to its width and thickness, with or without a head, usually designed to fit into the pre-cut slots of two adjacent cylindrically shaped members, to prevent relative rotational movement between the two. It may have mounting holes or slots.

argon and helium media for which designed, threaded external tube first end connection type, unable to decode stem material, straight thru body style, cylinder gage and delivery gage furnished items

Product Characteristics

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

Body Style: straight thru
Stem Material: unable to decode
Furnished Items: cylinder gage and delivery gage
Media For Which Designed: argon and helium
First End Connection Type: threaded external tube
First End Style Designator: inverted flare
First End Outside Diameter Tube Accommodated: 0.375 inches nominal
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Class: 2a
First End Thread Direction: right-hand
Second End Relationship With First End: not identical
Second End Connection Type: threaded external gas cylinder
Second End Style Designator: swivel nut, flared
Second End Thread Size And Series/Type Designator: unable to decode
Second End Thread Direction: right-hand
First End Seat Angle In Deg: 30.0
Flow Control Device: poppet
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Outlet Pressure Range: +0.0 to 400.0 pounds per square inch
Regulation Type: 1st stage manual, 2nd stage automatic
Manual Control Method: tee handle
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 3000.0 pounds per square inch
Filter: included
Material: unable to decode

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
1001449	Fluid Pressure Regulating Valve
7GNR	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-019-2749?

The FSCG of the NSN 4820-01-019-2749 is 4820

Does the NSN 4820-01-019-2749 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-019-2749 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 4820-01-019-2749 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-019-2749 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 4820-01-019-2749 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Wed, Apr 14, 1976