Aerospace Hardware Store

Aerospace

Hardware

4820-01-038-6973

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

20Z1068D2
5365-00-443-5990
Shim
20Z1068D3
5365-00-476-5258
Shim
20Z1151
4010-00-225-1438
Single Leg Chain Assembly
20Z1163D65
5305-01-170-4567
Hexagon Head Cap Screw
20Z1213D8
5305-01-272-7418
Machine Screw
20Z1251-D40
5306-01-168-5622
Eye Bolt
20Z1273D22
5305-00-498-9823
Hexagon Head Cap Screw
20Z1273D54
5305-00-151-6867
Hexagon Head Cap Screw

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
4820-01-038-6973
(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
04/10/1977 (49 years ago)

3a 1st end thread class, right-hand 1st end thread direction, poppet flow control device, 3a 2nd end thread class, right-hand 2nd end thread direction

Specs & Compatibility

Thread Class

3a 1st end

Thread Class

3a 2nd end

Thread Direction

right-hand 1st end

Thread Direction

right-hand 2nd end

Flow Control Device

poppet

Disk Loading Method

spring

Maximum Operating Temp

-65.0 fahrenheit 1st response

Maximum Operating Temp

275.0 fahrenheit 2nd response

Connection Style

external seat for gasket seal (boss) 2nd end

Connection Style

flareless 1st end

Valve Operation Method

automatic

Connection Type

threaded external boss 2nd end

Connection Type

threaded external tube 1st end

Mounting Position

horizontal or vertical

Thread Quantity Per Inch

12 1st end

Thread Quantity Per Inch

12 2nd end

Maximum Operating Pressure

3000.0 pounds per square inch single response

Nominal Thread Size

1.062 inches 1st end

Nominal Thread Size

1.062 inches 2nd end

Seat Angle

12.0 degrees 1st end

Seat Angle

37.0 degrees 2nd end

Special Features

supports grumman a-10 aircraft

Material

steel comp 303 body

Material

steel comp 440c flow control device

Material Document And Classification

qq-s-763,class 303 fed spec single material response body

Material Document And Classification

qq-s-763,class 440c fed spec single material response flow control device

Media For Which Designed

hydraulic fluid, petroleum base 2nd response

Media For Which Designed

oil, hydraulic 1st response

Surface Treatment

passivate

Surface Treatment Document And Classification

mil-s-5002 mil spec single treatment response

Style Designator

straight thru

Thread Series Designator

unj 1st end

Thread Series Designator

unj 2nd end

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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
2C9976 Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-038-6973?
The FSCG of the NSN 4820-01-038-6973 is 4820
Does the NSN 4820-01-038-6973 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-01-038-6973 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 4820-01-038-6973 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-038-6973 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 4820-01-038-6973 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Sun, Apr 10, 1977