4820-01-174-2971

Find complete technical information, availability, and procurement data for: 4820-01-174-2971
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-174-2971

Item Name Code

05487

Assigment Date

03/16/1984 (42 years ago)

A valve having one outlet and two inlets that are usually opposite each other. It has a fluid pressure operated pistonlike item, called a shuttle, that controls either inlet. It is commonly used to provide an emergency passage for fluid in an aircraft hydraulic or pneumatic system in case of loss of pressure in the normal service lines.

spring disk loading method, automatic valve operation method, poppet flow control device, 2.100 inches 1st end nominal length, aircraft,engine; f-110-g-e-400(f-14b/d), f-108(cfm-56,kc-135a), f-100-pw-100(f-15a/b/c/d), f-110-ge-100/129 (f-16c/d), f101-ge-100(b-1); aircraft; f-16 end item identification

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: poppet
Disk Loading Method: spring
End Item Identification: aircraft,engine; f-110-g-e-400(f-14b/d), f-108(cfm-56,kc-135a), f-100-pw-100(f-15a/b/c/d), f-110-ge-100/129 (f-16c/d), f101-ge-100(b-1); aircraft; f-16
Nominal Length: 2.100 inches 1st end
Valve Operation Method: automatic
Connection Type: flange 1st end
Maximum Operating Pressure: 50.0 pounds per square inch single response
Bolt Hole Nominal Diameter: 0.230 inches 1st end
Bolt Circle Nominal Diameter: 1.600 inches 1st end
Style Designator: straight thru
Supplementary Features: appl to f101-f110 engine

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
9976M96P04	Check Valve
9976M96P05	Check Valve
B1548-06-6	Check Valve
B1744-01	Check Valve
CV02-18	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-174-2971?

The FSCG of the NSN 4820-01-174-2971 is 4820

Does the NSN 4820-01-174-2971 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301010

Does NSN 4820-01-174-2971 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 4820-01-174-2971 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-174-2971 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 4820-01-174-2971 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Mar 16, 1984