2557-073-302-S

View detailed technical data, stock status, and sourcing information for: 2557-073-302-S
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 2557-073-302-S to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-195-0377

Item Name Code

22113

Assigment Date

11/21/1984 (41 years ago)

An assembled unit consisting of a commonly mounted rotary vacuum pump(s), prime mover(s), and the necessary components to provide for a complete operation. It may include vacuum storage tank(s).

0.764 inches nominal flange seat to disk end height, 1.505 inches nominal body inside diameter, 0.383 inches nominal under flange height, 1.625 inches nominal body outside diameter, 1.844 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: 1.844 inches nominal
Body Outside Diameter: 1.625 inches nominal
Body Inside Diameter: 1.505 inches nominal
Flange Seat To Disk End Height: 0.764 inches nominal
Under Flange Height: 0.383 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
2557-073-062GS	Valve Seat
2557-073-302-S	Valve Seat
2557-73-279	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-195-0377?

The FSCG of the NSN 4820-01-195-0377 is 4820

Does the NSN 4820-01-195-0377 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-195-0377 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 4820-01-195-0377 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-195-0377 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 4820-01-195-0377 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Nov 21, 1984