704-4674166 ITEM 3

View detailed technical data, stock status, and sourcing information for: 704-4674166 ITEM 3
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-127-7797

Item Name Code

77777

Assigment Date

03/07/1982 (44 years ago)

copper-nickel,mil-c-20159,type 1; 21.000 in. w base,21.500 in. dia body,10.630 in. o/a deep from front to back body,9.500 in. o/a deep from front to back base; with twelve thd holes equally spaced on a 20.000 in. dia bolt circle,1.380 in. deep,90 deg countersunk to 0.800 in. dia,3/4 in. 10 unc-2b thd size,0.900 in. thd depth; with twelve unthd holes equally spaced on a 15.250 in. dia bolt circle,0.636 in. dia thru; with three thd holes equally spaced on a 15.250 in. dia bolt circle,90 deg countersunk to 0.660 in. dia,5/8 in. 11 unc-2b thd size for jacking purposes general characteristics item description

Product Characteristics

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

General Characteristics Item Description: copper-nickel,mil-c-20159,type 1; 21.000 in. w base,21.500 in. dia body,10.630 in. o/a deep from front to back body,9.500 in. o/a deep from front to back base; with twelve thd holes equally spaced on a 20.000 in. dia bolt circle,1.380 in. deep,90 deg countersunk to 0.800 in. dia,3/4 in. 10 unc-2b thd size,0.900 in. thd depth; with twelve unthd holes equally spaced on a 15.250 in. dia bolt circle,0.636 in. dia thru; with three thd holes equally spaced on a 15.250 in. dia bolt circle,90 deg countersunk to 0.660 in. dia,5/8 in. 11 unc-2b thd size for jacking purposes

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
704-4674166 ITEM 3	Shroud Body
87553-5008 ITEM 3	Shroud Body

FAQs

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

What is the FSCG of the NSN 4820-01-127-7797?

The FSCG of the NSN 4820-01-127-7797 is 4820

Does the NSN 4820-01-127-7797 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-127-7797 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-127-7797 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-127-7797 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 4820-01-127-7797 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sun, Mar 7, 1982