2551-8-69

View detailed technical data, stock status, and sourcing information for: 2551-8-69
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-049-3383

Item Name Code

22113

Assigment Date

10/16/1977 (48 years ago)

0.328 inches minimum and 0.329 inches maximum flange seat to disk end height, 0.218 inches minimum and 0.229 inches maximum under flange height, 0.500 inches nominal flange diameter, 0.250 inches minimum and 0.257 inches maximum body inside diameter, 0.351 inches minimum and 0.354 inches maximum body outside 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: 0.500 inches nominal
Body Outside Diameter: 0.351 inches minimum and 0.354 inches maximum
Body Inside Diameter: 0.250 inches minimum and 0.257 inches maximum
Flange Seat To Disk End Height: 0.328 inches minimum and 0.329 inches maximum
Under Flange Height: 0.218 inches minimum and 0.229 inches maximum
Seating Surface Shape: flat
Material: steel and cobalt face
Material: steel comp 410 body
Material Document And Classification: astm-a276 assn std 1st material response or astm-a479 assn std 1st material response body
Material Document And Classification: comp stellite no. 5 assn std single material response face
Style Designator: plain flanged

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
23399PIECE5 3/8	Valve Seat
2551-8-69	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-049-3383?

The FSCG of the NSN 4820-01-049-3383 is 4820

Does the NSN 4820-01-049-3383 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-049-3383 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 4820-01-049-3383 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-049-3383 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 4820-01-049-3383 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, Oct 16, 1977