1237-5BPC13

View detailed technical data, stock status, and sourcing information for: 1237-5BPC13
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-943-7297

Item Name Code

22113

Assigment Date

02/02/1966 (60 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

1.092 inches minimum and 1.102 inches maximum overall height, 30.062 inches nominal body inside diameter, 0.941 inches nominal single threaded portion thread length, 2a single threaded portion thread class, 15.000 nominal seat angle in deg

Product Characteristics

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

Thread Class: 2a single threaded portion
Thread Length: 0.941 inches nominal single threaded portion
Overall Height: 1.092 inches minimum and 1.102 inches maximum
Body Inside Diameter: 30.062 inches nominal
Seat Angle In Deg: 15.000 nominal
Thread Quantity Per Inch: 8 single threaded portion
Nominal Thread Size: 31.125 inches single threaded portion
Seating Surface Shape: angular
Special Features: weld on 6 lugs 0.375 inch square,60 degrees apart on inner surface
Material: nickel alloy a overall
Material Document And Classification: qq-n-281 fed spec single material response overall
Style Designator: plain threaded
Thread Series Designator: uns 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
1236-5-13	Valve Seat
1236-5PC13	Valve Seat
1237-5BPC13	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-943-7297?

The FSCG of the NSN 4820-00-943-7297 is 4820

Does the NSN 4820-00-943-7297 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-943-7297 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 4820-00-943-7297 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-943-7297 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 4820-00-943-7297 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Feb 2, 1966