1111-577098M1

View detailed technical data, stock status, and sourcing information for: 1111-577098M1
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-851-2327

Item Name Code

05487

Assigment Date

01/13/1967 (59 years ago)

3a all ends thread class, spring disk loading method, disk flow control device, 110.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction

Product Characteristics

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

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 110.0 fahrenheit single response
Connection Style: flared (tube) 1st end
Connection Style: gasket seal (boss) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Connection Type: threaded internal boss 2nd end
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 1.312 inches all ends
Seat Angle: 37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated: 1.000 inches all ends
Material: steel corrosion resisting and plastic seat
Material: steel corrosion resisting body
Material: steel corrosion resisting flow control device
Media For Which Designed: air single response
Surface Treatment: passivate
Style Designator: straight thru
Supplementary Features: additional flow control device: diaphragm
Thread Series Designator: un all ends

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
1111-577098M1	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-851-2327?

The FSCG of the NSN 4820-00-851-2327 is 4820

Does the NSN 4820-00-851-2327 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-851-2327 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 4820-00-851-2327 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-851-2327 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 4820-00-851-2327 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Jan 13, 1967