Aerospace Hardware Store

Aerospace

Hardware
  1. Home /
  2. Hardware Catalog /
  3. Nonpowered Valves /
  4. 4820-01-331-2821 /
  5. D-041B6

D-041B6 Check Valve

4820-01-331-2821

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

419725-1
4730-00-150-6082
Tube to Boss Straight Adapter
419726-1
4730-00-150-6083
Tube Coupling
419726-2
4730-00-173-2727
Straight Tu Adapter
4197270130
5330-01-241-2600
Nonmetallic Special Shaped Seal
419729-1
5365-01-163-9279
Machine Thread Bushing
419729-2
5365-01-195-8934
Machine Thread Bushing
419729-3
5305-01-126-1175
Machine Screw
419729-4
5365-01-142-7022
Machine Thread Bushing

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
Check Valve
Part Number
D-041B6
(NSN) National Stock Number
4820-01-331-2821
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05487
(FIIG) Federal Item Identification Guide
A530B0
Date
12/15/1990 (35 years ago)

disk flow control device, flange all ends connection type, automatic valve operation method, horizontal mounting position, round all ends flange shape

Specs & Compatibility

Flow Control Device

disk

Valve Operation Method

automatic

Flange Shape

round all ends

Connection Type

flange all ends

Mounting Position

horizontal

Maximum Operating Pressure

150.0 pounds per square inch single response

Nominal Outside Diameter

6.000 inches all ends

Nominal Thickness

1.000 inches all ends

Flange Face Design

plain all ends

Material

steel body

Style Designator

straight thru

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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

0005487

Related Hardware Products

Part Number Description
216-32-136 6IN D-04186 Check Valve
6IN 1601-AC Check Valve
D-04186 1601-AC Check Valve
D-041B6 Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-331-2821?
The FSCG of the NSN 4820-01-331-2821 is 4820
Does the NSN 4820-01-331-2821 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-01-331-2821 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 4820-01-331-2821 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-331-2821 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 4820-01-331-2821 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Sat, Dec 15, 1990