C7901-5901 FN MACD-A16

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-418-2141

Item Name Code

32528

Assigment Date

08/22/1995 (30 years ago)

A bonded synthetic rubber item used as a water lubricated bearing in stern-tubes or struts for supporting a rotating propulsion shaft for waterccraft.

7.000 inches valve size for which designed, globe valve type for which designed, seawolf class ssn end item identification, 0.548 inches maximum largest outside diameter, 3.310 inches maximum overall length

Product Characteristics

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

Overall Length: 3.310 inches maximum
End Item Identification: seawolf class ssn
Largest Outside Diameter: 0.548 inches maximum
Valve Type For Which Designed: globe
Valve Size For Which Designed: 7.000 inches
Stem Actuating End Type: square
Material: copper alloy
Material Document And Classification: astm b150, aly uns c63200 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
218002326	Fluid Valve Stem
556-6406598 FN MACD-A16	Fluid Valve Stem
C7901-5901 FN MACD-A16	Fluid Valve Stem
DD2300-4359 FN MACD-A16	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-418-2141?

The FSCG of the NSN 4820-01-418-2141 is 4820

Does the NSN 4820-01-418-2141 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-418-2141 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 4820-01-418-2141 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-418-2141 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 4820-01-418-2141 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Tue, Aug 22, 1995