Aerospace Hardware Store

Aerospace

Hardware

4820-01-031-3239

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

JMS-8103-CD1215
4820-01-594-2388
Check Ball
JMS-8369
5330-01-627-3038
Gasket
JMS-8395
5330-01-570-2423
Packing Material
JMS-8465
5330-01-435-4156
Gasket
JMS-8688
4820-01-641-3618
Check Ball
JMS-8688-CD1215
4820-01-594-2382
Check Ball
JMS-8692
5330-01-460-5229
Gasket
JMS-8707
5330-01-641-3615
Packing Retainer

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
(NSN) National Stock Number
4820-01-031-3239
(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
11/22/1976 (49 years ago)

external seat for gasket seal (boss) 2nd end connection style, 3a 2nd end thread class, poppet flow control device, right-hand 2nd end thread direction, right-hand 1st end thread direction

Specs & Compatibility

Thread Class

3a 2nd end

Thread Direction

right-hand 1st end

Thread Direction

right-hand 2nd end

Flow Control Device

poppet

Connection Style

external seat for gasket seal (boss) 2nd end

Connection Style

external seat for gasket seal (boss) 1st end

Valve Operation Method

automatic

Connection Type

threaded external boss 1st end

Connection Type

threaded external boss 2nd end

Thread Quantity Per Inch

18 1st end

Nominal Thread Size

0.750 inches 2nd end

Nominal Thread Size

0.844 inches 1st end

Style Designator

straight thru

Thread Series Designator

unjs all ends

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
4C2280-2 Check Valve
A51H9069 Check Valve
A51H9069-1 Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-031-3239?
The FSCG of the NSN 4820-01-031-3239 is 4820
Does NSN 4820-01-031-3239 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 4820-01-031-3239 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-031-3239 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 4820-01-031-3239 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Mon, Nov 22, 1976