Aerospace Hardware Store

Aerospace

Hardware

2R2043-109 Restrictor Check Valve

4820-00-891-3343

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

Request for Quote

Send us a request for quote using the form below. Our team will promptly provide you with the latest pricing and availability details.

AS9120 ISO9001 Aviation Suppliers Association Global Shipping

Featured Parts

10896467
9905-01-217-8378
Identification Plate
10896475
5365-00-456-2485
Sleeve Spacer
10896477
5340-01-206-8586
Retaining Strap
10896481
5340-00-955-5489
Double Angle Bracket
10896488
5360-00-144-6786
Compression Helical Spring
10896489
5340-00-178-6109
Mounting Plate
10896522
5306-00-467-0108
Machine Bolt
10896529
5340-01-239-1781
Manual Control Lever

Need Assistance?

Our catalog is extensive, but we understand that sometimes specific needs might not be immediately available. If you could not find the exact products you were searching for, we are here to help!

Contact us directly, and our team will assist you in finding the perfect solution for your requirements.

Contact Us

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping

Official Item Classification

Name
Restrictor Check Valve
Part Number
2R2043-109
(NSN) National Stock Number
4820-00-891-3343
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
20520
(FIIG) Federal Item Identification Guide
A530B0
Date
01/20/1967 (59 years ago)

3a 1st end thread class, 0.048 inches nominal aperture diameter, right-hand 2nd end thread direction, right-hand 1st end thread direction, 3b 2nd end thread class

Specs & Compatibility

Thread Class

3a 1st end

Thread Class

3b 2nd end

Thread Direction

right-hand 1st end

Thread Direction

right-hand 2nd end

Aperture Diameter

0.048 inches nominal

Flow Control Device

poppet

Disk Loading Method

spring

Maximum Operating Temp

275.0 fahrenheit single response

Connection Style

flared (tube) 1st end

Connection Style

gasket seal (boss) 2nd end

Valve Operation Method

automatic

Connection Type

threaded external tube 1st end

Connection Type

threaded internal boss 2nd end

Mounting Position

horizontal or vertical

Maximum Operating Pressure

3000.0 pounds per square inch single response

Nominal Thread Size

0.437 inches 1st end

Nominal Thread Size

0.438 inches 2nd end

Seat Angle

37.0 degrees 1st end

Material

aluminum alloy 2024 body

Material

aluminum alloy 2024 flow control device

Material

rubber synthetic packing

Material Document And Classification

qq-a-225/6, alloy 2024 fed spec single material response body

Material Document And Classification

qq-a-225/6, alloy 2024 fed spec single material response flow control device

Media For Which Designed

hydraulic fluid, phosphate-ester base single response

Surface Treatment

anodize

Surface Treatment Document And Classification

mil-a-8625,ty 2 mil spec single treatment response

Style Designator

straight thru

Thread Series Designator

unf 1st end

Thread Series Designator

unf 2nd end

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0020520

Related Hardware Products

Part Number Description
2R2043-109 Restrictor Check Valve
32-69004-109 Restrictor Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-891-3343?
The FSCG of the NSN 4820-00-891-3343 is 4820
Does the NSN 4820-00-891-3343 have a Schedule B code assigned?
Yes, the Schedule B code is 8481309000
Does NSN 4820-00-891-3343 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 4820-00-891-3343 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-891-3343 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 4820-00-891-3343 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Fri, Jan 20, 1967