4820-00-993-5890

Find complete technical information, availability, and procurement data for: 4820-00-993-5890
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-993-5890

Item Name Code

22113

Assigment Date

03/28/1967 (59 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

1.562 inches nominal taper major diameter, 0.428 inches nominal taper length, 2.281 inches nominal flange diameter, 1.936 inches minimum and 1.937 inches maximum body outside diameter, 1.250 inches nominal taper minor diameter

Product Characteristics

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

Flange Diameter: 2.281 inches nominal
Taper Length: 0.428 inches nominal
Taper Minor Diameter: 1.250 inches nominal
Taper Major Diameter: 1.562 inches nominal
Body Outside Diameter: 1.936 inches minimum and 1.937 inches maximum
Flange Seat To Disk End Height: 0.248 inches minimum and 0.252 inches maximum
Under Flange Height: 0.750 inches nominal
Seat Angle In Deg: 20.000 nominal
Seating Surface Shape: angular
Material: cobalt alloy seat
Material: steel body
Material Document And Classification: mil-r-17131,type-mil-rcocr-a mil spec single material response seat
Material Document And Classification: mil-s-18410 class b,cond a mil spec single material response body
Fsc Application Data: steam turbine,electric generation

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
101B209RA	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-993-5890?

The FSCG of the NSN 4820-00-993-5890 is 4820

Does the NSN 4820-00-993-5890 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-993-5890 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 4820-00-993-5890 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-993-5890 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 4820-00-993-5890 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, Mar 28, 1967