Aerospace Hardware Store

Aerospace

Hardware

4820-01-686-3026

Oxygen System Check Valve

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

5139983
5315-00-513-9983
Headless Straight Pin
5139984
5315-01-171-0763
Headed Shoulder Pin
5139988
5305-00-513-9988
Machine Screw
5139989
5305-00-513-9989
Machine Screw
5139990
5340-01-487-3908
Dust and Moisture Protective Cap
5139991
5340-01-241-6612
Expansion Plug
5139995
5340-00-513-9995
Plain Solid Disk
5139997
5340-00-202-0765
Expansion Plug

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
Oxygen System Check Valve
(NSN) National Stock Number
4820-01-686-3026
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
37942
(FIIG) Federal Item Identification Guide
A530B0
Date
02/07/2020 (6 years ago)

4820-01-686-3026, oxygen system check valve

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

0037942

Related Hardware Products

Part Number Description
74B850054 Oxygen System Check Valve
74B850054-1001 Oxygen System Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-686-3026?
The FSCG of the NSN 4820-01-686-3026 is 4820
Does NSN 4820-01-686-3026 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 4820-01-686-3026 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-686-3026 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 4820-01-686-3026 was assigned to the Federal Catalog?
It was assigned 6 years ago, on Fri, Feb 7, 2020