Aerospace Hardware Store

Aerospace

Hardware

3B566 Check Valve

4820-01-312-1821

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

69983S62
5325-00-200-8600
Retaining Ring
69983S65
5325-01-513-6723
Retaining Ring
69983S75
5325-00-584-6100
Retaining Ring
69983S81
5325-00-815-3218
Retaining Ring
69983S87
5325-00-598-6267
Retaining Ring
69983S90
5325-00-530-5551
Retaining Ring
69983S93
5325-00-841-0927
Retaining Ring
69984-100
5325-00-282-5572
Retaining Ring

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
3B566
(NSN) National Stock Number
4820-01-312-1821
(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
12/12/1989 (36 years ago)

oxide surface treatment

Specs & Compatibility

Surface Treatment

oxide

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
3B566 Check Valve
G294458 Check Valve
G294458-1 Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-312-1821?
The FSCG of the NSN 4820-01-312-1821 is 4820
Does NSN 4820-01-312-1821 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 4820-01-312-1821 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-312-1821 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 4820-01-312-1821 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Tue, Dec 12, 1989