UH13888

View detailed technical data, stock status, and sourcing information for: UH13888
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-868-8957

Item Name Code

22113

Assigment Date

10/23/1967 (58 years ago)

0.100 inches nominal flange seat to disk end height, 0.215 inches nominal body inside diameter, 0.452 inches nominal body outside diameter, 0.457 inches nominal flange diameter, 0.181 inches nominal under flange height

Product Characteristics

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

Flange Diameter: 0.457 inches nominal
Body Outside Diameter: 0.452 inches nominal
Body Inside Diameter: 0.215 inches nominal
Flange Seat To Disk End Height: 0.100 inches nominal
Under Flange Height: 0.181 inches nominal
Seal Accommodation Type: recessed
Hardness Rating: 53.0 rockwell c minimum and 58.0 rockwell c maximum overall
Seating Surface Shape: flat
Material: steel comp 440c overall
Surface Treatment: anodize overall
Style Designator: plain flanged

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-992-8500	No Name Available	02/07/1968

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
UH13888	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-868-8957?

The FSCG of the NSN 4820-00-868-8957 is 4820

Does the NSN 4820-00-868-8957 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-868-8957 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 4820-00-868-8957 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-868-8957 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 4820-00-868-8957 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Mon, Oct 23, 1967