4820-01-507-9920

Find complete technical information, availability, and procurement data for: 4820-01-507-9920
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-507-9920

Item Name Code

05488

Assigment Date

05/09/2003 (23 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

disk flow control device, copper alloy body material, automatic valve operation method, consolidated ground support equipment end item identification, copper alloy seat material

Product Characteristics

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

Flow Control Device: disk
End Item Identification: consolidated ground support equipment
Valve Operation Method: automatic
Material: copper alloy body
Material: copper alloy seat
Material: rubber butadiene-acrylonitrile class nbr flow control device
Style Designator: screw-in cartridge

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
128A-2-160	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-507-9920?

The FSCG of the NSN 4820-01-507-9920 is 4820

Does the NSN 4820-01-507-9920 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-507-9920 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 4820-01-507-9920 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-507-9920 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 4820-01-507-9920 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Fri, May 9, 2003