4820-01-021-7733

Name: Aerospace Hardware Store
Address: 3555 Agricultural Center Dr., St. Augustine, FL, 32092, US
Telephone: (+1) 321-802-5889
Price range: Request for Quote

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.

Featured Parts

2110253KIT

4730-01-674-2963

Steam Trap Parts Kit

2110253PC12A

5330-01-675-0744

Gasket

2110253PC12B

5330-01-674-0678

Gasket

2110253PC18

5315-01-675-0759

Lock Pin

2110253PC9A

5310-01-675-0748

Split Washer

2110254

4820-01-529-0703

Valve Seat

2110254 PC 20

4820-01-287-4874

Valve Seat

2110254 PC 4,15,18,19,22 1/4L1

4820-01-275-8866

Fluid Valve Stem

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!

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: 4820-01-021-7733
(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: 05/20/1976 (50 years ago)

automatic valve operation method, spring disk loading method, disk flow control device, right-hand all ends thread direction, plain, optional end (pipe) all ends connection style

Specs & Compatibility

Thread Direction

right-hand all ends

Flow Control Device

disk

Disk Loading Method

spring

Connection Style

plain, optional end (pipe) all ends

Valve Operation Method

automatic

Connection Type

threaded internal pipe all ends

Mounting Position

horizontal or vertical

Maximum Operating Pressure

225.0 pounds per square inch single response

Nominal Thread Size

2.000 inches all ends

Material

copper alloy overall

Media For Which Designed

water-oil-gas single response

Style Designator

straight thru

Thread Series Designator

npt all ends

Regulatory Compliance

Precious Metals Indicator

Precious metal content is unknown

Criticality Code

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

Hazardous Metals Indicator

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

Source of Supply Code

S9C

Pseudo Item Name Code

0005487

Related Hardware Products

Part Number	Description
203BPS2IN	Check Valve
203BTS2IN	Check Valve
ACV-1033	Check Valve
ACV-1033-2IN	Check Valve
CV1033-2IN	Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-021-7733?

The FSCG of the NSN 4820-01-021-7733 is 4820

Does the NSN 4820-01-021-7733 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-021-7733 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 4820-01-021-7733 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-021-7733 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 4820-01-021-7733 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, May 20, 1976