103 3IN

View detailed technical data, stock status, and sourcing information for: 103 3IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-456-9792

Item Name Code

05487

Assigment Date

07/06/1998 (28 years ago)

A device primarily designed to control the supply circuit(s) of a motor in order to accelerate the motor from rest to normal speed. Includes manual starters with overload protection and manual, automatic or semiautomatic starters consisting of combinations of items such as relays, resistors, switches, circuit breakers, and the like. Excludes:relay-switch; circuit breaker; switch (as modified) and relay (as modified). For devices, which in addition to starting and stopping, reverse, select and/or regulate the speed of a motor, see controller (as modified).

automatic valve operation method, weight disk loading method, disk flow control device, 4 all ends bolt hole quantity, round with holes all ends flange shape

Product Characteristics

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

Flow Control Device: disk
Disk Loading Method: weight
Bolt Hole Quantity: 4 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal
Valve Size: 3.000 inches
Maximum Operating Pressure: 175.0 pounds per square inch single response
Nominal Outside Diameter: 7.500 inches all ends
Face To Face Distance: 9.500 inches
Nominal Thickness: 0.750 inches all ends
Bolt Hole Nominal Diameter: 0.750 inches all ends
Bolt Circle Nominal Diameter: 6.000 inches all ends
Flange Face Design: plain all ends
Material: iron cast body
Material: rubber flow control device
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru

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
103 3IN	Check Valve
9542807	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-456-9792?

The FSCG of the NSN 4820-01-456-9792 is 4820

Does the NSN 4820-01-456-9792 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302010

Does NSN 4820-01-456-9792 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 4820-01-456-9792 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-456-9792 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 4820-01-456-9792 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Mon, Jul 6, 1998