801-6408779-AY99

View detailed technical data, stock status, and sourcing information for: 801-6408779-AY99
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-377-6261

Item Name Code

20962

Assigment Date

07/22/1993 (33 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

100.000 fahrenheit single response maximum operating temp, main dr eng rm aft fixed sbm pump end item identification, manual valve operation method, beveled (pipe) all ends connection style, 2.500 inches all ends nominal pipe size accommodated

Product Characteristics

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

Nominal Pipe Size Accommodated: 2.500 inches all ends
Maximum Operating Temp: 100.000 fahrenheit single response
End Item Identification: main dr eng rm aft fixed sbm pump
Connection Style: beveled (pipe) all ends
Valve Operation Method: manual
Connection Type: butt weld pipe all ends
Special Features: with swing check
Material: copper alloy 964 body
Material: nickel alloy stem
Material: plastic acetal seat
Material: titanium alloy flow control device
Material Document And Classification: mil-c-20159 mil spec single material response body
Material Document And Classification: mil-t-9047 mil spec single material response flow control device
Material Document And Classification: qq-n-286 fed spec single material response stem
Media For Which Designed: water, salt single response
Style Designator: straight thru

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
211076334	Ball Valve
211094279	Ball Valve
6408779 AY 99	Ball Valve
801-6408779-AY99	Ball Valve
DF330636 AY 99	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-377-6261?

The FSCG of the NSN 4820-01-377-6261 is 4820

Does NSN 4820-01-377-6261 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 4820-01-377-6261 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-377-6261 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 4820-01-377-6261 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Thu, Jul 22, 1993