4730-00-256-8517

Find complete technical information, availability, and procurement data for: 4730-00-256-8517
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

National Stock Number

4730-00-256-8517

Item Name Code

03798

Assigment Date

01/01/1961 (65 years ago)

An item solid or split into halves, having a threaded or unthreaded hole for the purpose of connecting or retaining a pipe, tube, or hose fitting. The face of the flange may be smooth, grooved, or serrated and may be drilled for connecting bolts or studs. If the item is unthreaded, the pipe or tube may be retained by welding, brazing, compression, or the like. Excludes:flange, pipe, blind; ferrule, grooved clamp coupling; and adapter (as modified).

4.500 inches nominal bolt circle diameter, 0.875 inches nominal thickness, 1.500 inches nominal pipe size for which designed, 6.125 inches nominal flange diameter, 4 bolt hole quantity

Product Characteristics

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

Bolt Circle Diameter: 4.500 inches nominal
Flange Diameter: 6.125 inches nominal
Thickness: 0.875 inches nominal
Nominal Pipe Size For Which Designed: 1.500 inches
Bolt Hole Quantity: 4
Bolt Hole Diameter: 0.875 inches nominal
Raised Face Height: 0.250 inches nominal
Raised Face Diameter: 2.875 inches nominal
Neck Height: 1.875 inches nominal
Flange Section Style: raised face, welding neck
Face Seating Surface Condition: machined
Maximum Operating Pressure And Media For Which Designed: 600.0 pounds per square inch gas and 600.0 pounds per square inch oil and 600.0 pounds per square inch water
Maximum Operating Temp And Media For Which Designed: 950.0 fahrenheit gas and 950.0 fahrenheit oil and 950.0 fahrenheit water
Material: steel
Material Document And Classification: astm a182,grade f1 assn std single material response
Style Designator: round, one bolt hole circle
Specification/Standard Data: 80204-asa b16.5,tables 16 and 17 professional/industrial association standard

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
M18180/1-056A05A	Pipe Flange
MIL-F-1810C	Pipe Flange

FAQs

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

What is the FSCG of the NSN 4730-00-256-8517?

The FSCG of the NSN 4730-00-256-8517 is 4730

Does the NSN 4730-00-256-8517 have a Schedule B code assigned?

Yes, the Schedule B code is 7307912000

Does NSN 4730-00-256-8517 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 4730-00-256-8517 contain precious materials?

Precious metal content is unknown

Does NSN 4730-00-256-8517 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 4730-00-256-8517 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961