1. Home /
  2. Catalog /
  3. Nonpowered Valves /
  4. 4820-00-346-4214

4820-00-346-4214

Find complete technical information, availability, and procurement data for: 4820-00-346-4214

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 NSN 4820-00-346-4214 to receive an up to date pricing and availability quote by email.

4820-00-346-4214
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-346-4214
Item Name Code
20520
Assigment Date
01/01/1963 (63 years ago)

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

spring disk loading method, poppet flow control device, 3a 1st end thread class, 0.073 inches nominal aperture diameter, right-hand 1st end thread direction

Product Characteristics

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

Thread Class
3a 1st end
Thread Direction
right-hand 1st end
Aperture Diameter
0.073 inches nominal
Flow Control Device
poppet
Disk Loading Method
spring
Connection Style
flared (tube) 1st end
Connection Type
threaded external tube 1st end
Mounting Position
horizontal
Thread Quantity Per Inch
20 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Nominal Thread Size
0.437 inches 1st end
Seat Angle
37.0 degrees 1st end
Nominal Outside Diameter Tube Accommodated
0.250 inches 1st end
Special Features
2.250 in. over-all lg,0.688 in. across flats
Material
rubber synthetic packing
Material
steel corrosion resisting body
Material
steel corrosion resisting flow control device
Media For Which Designed
air single response
Style Designator
straight thru
Thread Series Designator
unf 1st end

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
8R7641-6 Restrictor Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-346-4214?
The FSCG of the NSN 4820-00-346-4214 is 4820
Does the NSN 4820-00-346-4214 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-00-346-4214 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-00-346-4214 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-346-4214 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 4820-00-346-4214 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

You May Also Like

Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.

Pricing

Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:

ITAR Registered

Featured Parts

Explore our most requested parts, carefully selected based on customer demand and sourcing activity. Each listing provides current specifications, availability status, and item condition:

10TGSM893
6105-00-764-4702
Motor-Tachometer Generator
10TGSM937
6105-00-990-1552
Motor-Tachometer Generator
10THF
4910-01-583-5140
Vehicle Support Stand
10TIMB01Z
5940-01-230-8545
V Bus Terminal
10TIMB02A
6150-01-100-0932
Conductor Bus
10TIMB03Z
6150-01-096-4288
Conductor Bus
10TM-S47
5910-00-052-9435
Paper Dielectric Fixed Capacitor
10TM107-10L24V
5945-00-450-3466
Electrical Solenoid
10TMD10
5910-00-964-4201
Plastic Dielectr Fixed Capacitor
10TMD20
5910-00-069-1246
Ceramic Dielectr Fixed Capacitor
10TMD50
5910-00-023-7768
Paper Dielectric Fixed Capacitor
10TMD68
5910-00-833-9895
Paper Dielectric Fixed Capacitor
10TMP1
5910-00-951-2638
Plastic Dielectr Fixed Capacitor
10TMS10
5910-00-225-7152
Plastic Dielectr Fixed Capacitor
10TMS5
5910-00-681-9323
Paper Dielectric Fixed Capacitor