4730-01-057-6256

Find complete technical information, availability, and procurement data for: 4730-01-057-6256
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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

4730-01-057-6256

Item Name Code

04135

Assigment Date

03/16/1978 (48 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

1.905 inches nominal union outside diameter, 1.000 inches nominal tubing outside diameter, 0.875 inches nominal overall length, straight face seat type, brazed end connection type

Product Characteristics

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

Overall Length: 0.875 inches nominal
Tubing Outside Diameter: 1.000 inches nominal
End Connection Type: brazed
Seat Type: straight face
Union Outside Diameter: 1.905 inches nominal
Material: copper alloy 715

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
V-2986PC11	Union Tailpiece
V2985PC11	Union Tailpiece
V2986PC	Union Tailpiece
V3117	Union Tailpiece

FAQs

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

What is the FSCG of the NSN 4730-01-057-6256?

The FSCG of the NSN 4730-01-057-6256 is 4730

Does NSN 4730-01-057-6256 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 4730-01-057-6256 contain precious materials?

Precious metal content is unknown

Does NSN 4730-01-057-6256 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 4730-01-057-6256 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Mar 16, 1978