A1556PC912

View detailed technical data, stock status, and sourcing information for: A1556PC912
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-678-6390

Item Name Code

22113

Assigment Date

12/07/1965 (60 years ago)

0.188 inches nominal body inside diameter, 1.250 inches nominal flange seat to disk end height, 2.375 inches nominal flange diameter, 1.000 inches nominal body outside diameter, 0.500 inches nominal single threaded portion thread length

Product Characteristics

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

Thread Length: 0.500 inches nominal single threaded portion
Flange Diameter: 2.375 inches nominal
Body Outside Diameter: 1.000 inches nominal
Body Inside Diameter: 0.188 inches nominal
Flange Seat To Disk End Height: 1.250 inches nominal
Under Flange Height: 0.500 inches nominal
Seat Angle In Deg: 45.000 nominal
Nominal Thread Size: 0.875 inches single threaded portion
Seating Surface Shape: angular
Material: chromium alloy body
Material: cobalt alloy face
Material Document And Classification: cobalt-chromium alloy assn std single material response face
Style Designator: plain flanged
Thread Series Designator: npt single threaded portion

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
717038	Valve Seat
912A1556	Valve Seat
A-1556	Valve Seat
A1556PC912	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-678-6390?

The FSCG of the NSN 4820-00-678-6390 is 4820

Does the NSN 4820-00-678-6390 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-678-6390 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 4820-00-678-6390 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-678-6390 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 4820-00-678-6390 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Tue, Dec 7, 1965