73-103-01

View detailed technical data, stock status, and sourcing information for: 73-103-01
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-025-7278

Item Name Code

22113

Assigment Date

08/08/1976 (50 years ago)

recessed seal accommodation type, 0.203 inches nominal overall height, 45.000 nominal seat angle in deg, 0.938 inches nominal body outside diameter, 0.500 inches nominal body inside diameter

Product Characteristics

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

Overall Height: 0.203 inches nominal
Body Outside Diameter: 0.938 inches nominal
Body Inside Diameter: 0.500 inches nominal
Seat Angle In Deg: 45.000 nominal
Seal Accommodation Type: recessed
Seating Surface Shape: angular
Material: plastic polytetrafluoroethylene overall
Style Designator: plain

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-311-4275	No Name Available	07/01/1997

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
73-103-01	Valve Seat
73-143 .50IN-5	Valve Seat
D-1754	Valve Seat
V537-17	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-025-7278?

The FSCG of the NSN 4820-01-025-7278 is 4820

Does the NSN 4820-01-025-7278 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-025-7278 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 4820-01-025-7278 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-025-7278 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 4820-01-025-7278 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sun, Aug 8, 1976