91-29

View detailed technical data, stock status, and sourcing information for: 91-29
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-459-5635

Item Name Code

48241

Assigment Date

10/06/1998 (27 years ago)

An item of various shapes and cross-sections, that may be flanged and that is designed to fit over a valve seat, allowing proper positioning of the seat with a flow control device.

4.000 inches valve size for which designed, 53711 valve design control activity, insert special features, 5.245 inches nominal outside diameter, 4.000 inches nominal inside diameter

Product Characteristics

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

Inside Diameter: 4.000 inches nominal
Outside Diameter: 5.245 inches nominal
Valve Size For Which Designed: 4.000 inches
Valve Design Control Activity: 53711
Special Features: insert
Material: plastic
Material Document And Classification: astm d3013 assn std single material response

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
6983491-29	Valve Seat Retainer
803-6983491 PC 29	Valve Seat Retainer
91-29	Valve Seat Retainer

FAQs

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

What is the FSCG of the NSN 4820-01-459-5635?

The FSCG of the NSN 4820-01-459-5635 is 4820

Does the NSN 4820-01-459-5635 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-459-5635 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 4820-01-459-5635 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-459-5635 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 4820-01-459-5635 was assigned to the Federal Catalog?

It was assigned 27 years ago, on Tue, Oct 6, 1998