4820-01-040-4980

Find complete technical information, availability, and procurement data for: 4820-01-040-4980
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-040-4980

Item Name Code

77777

Assigment Date

05/08/1977 (49 years ago)

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

cres steel casting,3.250 in. od,2.970 in. id,1.219 in o/a lg,flange 3.625 in. od,0.625 in. thk,id tapered 22 deg on flange side,thd end 3.000 in. od,2.750 in. id,2.500-16un-3b fit,flange slotted on od,2 drilled holes 0.156 in. dia,180 deg apart general characteristics item description, dresser industries 2-1/2 in. type 1553 safety relief valve 5vkg72 end item identification

Product Characteristics

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

End Item Identification: dresser industries 2-1/2 in. type 1553 safety relief valve 5vkg72
General Characteristics Item Description: cres steel casting,3.250 in. od,2.970 in. id,1.219 in o/a lg,flange 3.625 in. od,0.625 in. thk,id tapered 22 deg on flange side,thd end 3.000 in. od,2.750 in. id,2.500-16un-3b fit,flange slotted on od,2 drilled holes 0.156 in. dia,180 deg apart

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
0089093	Valve Adjusting Ring
3198092	Valve Adjusting Ring
5V0G72PC3	Valve Adjusting Ring
5VKG72PC3	Valve Adjusting Ring
89093	Valve Adjusting Ring

FAQs

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

What is the FSCG of the NSN 4820-01-040-4980?

The FSCG of the NSN 4820-01-040-4980 is 4820

Does NSN 4820-01-040-4980 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 4820-01-040-4980 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-040-4980 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 4820-01-040-4980 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, May 8, 1977