2553-69-279 3-4

View detailed technical data, stock status, and sourcing information for: 2553-69-279 3-4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-131-3145

Item Name Code

22113

Assigment Date

05/07/1982 (44 years ago)

0.341 inches minimum and 0.342 inches maximum flange seat to disk end height, 0.505 inches minimum and 0.507 inches maximum body inside diameter, 0.582 inches minimum and 0.587 inches maximum body outside diameter, 0.238 inches nominal under flange height, 0.719 inches nominal flange 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: 0.719 inches nominal
Body Outside Diameter: 0.582 inches minimum and 0.587 inches maximum
Body Inside Diameter: 0.505 inches minimum and 0.507 inches maximum
Flange Seat To Disk End Height: 0.341 inches minimum and 0.342 inches maximum
Under Flange Height: 0.238 inches nominal
Seat Angle In Deg: 45.000 nominal
Seating Surface Shape: angular
Material: steel overall
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
23399 ITEM 5	Valve Seat
2553-69-279 1-2IN	Valve Seat
2553-69-279 3-4	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-131-3145?

The FSCG of the NSN 4820-01-131-3145 is 4820

Does the NSN 4820-01-131-3145 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-131-3145 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 4820-01-131-3145 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-131-3145 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 4820-01-131-3145 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, May 7, 1982