634-E

View detailed technical data, stock status, and sourcing information for: 634-E
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-840-2615

Item Name Code

05482

Assigment Date

01/01/1962 (64 years ago)

manual valve operation method, bonnet packing features provided, threaded internal pipe connection type, inside screw bonnet type, union bonnet attachment method

Product Characteristics

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

Bonnet Type: inside screw
Bonnet Attachment Method: union
Valve Operation Method: manual
Connection Type: threaded internal pipe
Features Provided: bonnet packing
Valve Size: 1.500 inches
Maximum Operating Pressure And Media For Which Designed: 300.0 pounds per square inch steam and 600.0 pounds per square inch water-oil-gas
Nominal Thread Size: 1.500 inches
Stem Type: rising
Maximum Operating Temp And Media For Which Designed: 550.0 fahrenheit steam and 150.0 fahrenheit water-oil-gas
Inlet Relationship With Outlet: identical
Pressure Class: 300.0 pounds per square inch
Special Features: min.temp w-o-g,-20.0 deg f
Material: copper alloy body
Material: copper alloy disk
Material: copper alloy stem
Material: steel corrosion resisting seat
Material Document And Classification: astm a167 assn std all material responses seat
Material Document And Classification: astm b61 assn std all material responses body
Material Document And Classification: astm b61 assn std all material responses disk
Material Document And Classification: astm b61 assn std all material responses stem
Thread Series Designator: npt
Furnished Items And Quantity: 1 handwheel

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-287-3957	No Name Available	11/05/1972
4820-00-287-3961	No Name Available	07/13/1973
4820-00-851-4345	No Name Available	09/01/2023
4820-01-224-6202	No Name Available	10/01/1990

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
0264N	Gate Valve
3048 1 1/2NPT	Gate Valve
3048 1-1/2IN	Gate Valve
3048-1.50 NPT	Gate Valve
634-E	Gate Valve
W48 1 1/2 IN	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-00-840-2615?

The FSCG of the NSN 4820-00-840-2615 is 4820

Does the NSN 4820-00-840-2615 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801060

Does NSN 4820-00-840-2615 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 4820-00-840-2615 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-840-2615 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 4820-00-840-2615 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962