4820-01-491-6489

Find complete technical information, availability, and procurement data for: 4820-01-491-6489
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-491-6489

Item Name Code

35917

Assigment Date

10/26/2001 (24 years ago)

los angeles class ssn (688) end item identification, 1.125 inches nominal outside diameter, 1.250 inches valve size for which designed, 3.500 inches nominal overall length, 1.125 inches nominal thread size

Product Characteristics

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

Outside Diameter: 1.125 inches nominal
Overall Length: 3.500 inches nominal
End Item Identification: los angeles class ssn (688)
Nominal Thread Size: 1.125 inches
Valve Size For Which Designed: 1.250 inches
Valve Design Control Activity: 53711
Special Features: follow up mec
Material: nickel alloy

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
566-6985434	Valve Disk Retainer
566-6985434-11	Valve Disk Retainer
H623-0507-11	Valve Disk Retainer
H6230507A-11	Valve Disk Retainer

FAQs

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

What is the FSCG of the NSN 4820-01-491-6489?

The FSCG of the NSN 4820-01-491-6489 is 4820

Does the NSN 4820-01-491-6489 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-491-6489 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 4820-01-491-6489 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-491-6489 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 4820-01-491-6489 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Fri, Oct 26, 2001