671-3IN

View detailed technical data, stock status, and sourcing information for: 671-3IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-954-1003

Item Name Code

05482

Assigment Date

01/01/1962 (64 years ago)

4 bolt hole quantity, threaded bonnet attachment method, logistics support vessel end item identification, 7.500 inches flange diameter, inside screw bonnet type

Product Characteristics

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

Flange Diameter: 7.500 inches
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Bolt Hole Quantity: 4
End Item Identification: logistics support vessel
Valve Operation Method: manual
Connection Type: flange, round w/holes
Features Provided: bonnet packing and cleanout pocket
Valve Size: 3.000 inches
Maximum Operating Pressure And Media For Which Designed: 125.0 pounds per square inch steam and 200.0 pounds per square inch water-oil-gas
Stem Type: nonrising
Maximum Operating Temp And Media For Which Designed: 406.0 fahrenheit steam and 150.0 fahrenheit water-oil-gas
Face To Face Distance: 6.500 inches
Flange Face Design: plain
Inlet Relationship With Outlet: identical
Pressure Class: 150.0 pounds
Material: copper alloy 694 stem
Material: copper alloy 836 body
Material: copper alloy 836 disk
Material: plastic polyurethane seat
Material Document And Classification: astm b-371 alloy 694 assn std single material response stem
Material Document And Classification: astm b-62 assn std single material response body
Material Document And Classification: astm b-62 assn std single material response disk

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-080-5058	No Name Available	05/01/1993

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
671-3IN	Gate Valve
B-131	Gate Valve
B-131 3IN W/BRZ TRIM	Gate Valve
B-131 3IN W/IND W/BRZ TRIM	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-00-954-1003?

The FSCG of the NSN 4820-00-954-1003 is 4820

Does NSN 4820-00-954-1003 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 4820-00-954-1003 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-954-1003 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 4820-00-954-1003 was assigned to the Federal Catalog?

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