Aerospace Hardware Store

Aerospace

Hardware

23N0021-7 Valve Seat

4820-00-738-7003

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

50357
3020-00-203-1535
Helical Gear
50357-0
3020-01-149-4853
Pulley
503570
4730-00-374-8144
Tube Coupling Inverted Nut
5035734-125
5310-01-550-4349
Flat Washer
5035736-1
5340-01-151-4218
Rim Latch
503574-3
5342-01-115-6432
Weapon System Resilient Mount
503574P5
5315-00-536-9964
Headless Shoulder Pin
503575-1
5306-01-182-2066
Eye Bolt

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
Valve Seat
Part Number
23N0021-7
(NSN) National Stock Number
4820-00-738-7003
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
22113
(FIIG) Federal Item Identification Guide
A15500
Date
01/01/1961 (65 years ago)

6.000 inches nominal flange diameter, 4.500 inches nominal body inside diameter, 0.500 inches nominal flange seat to disk end height, 4.875 inches nominal body outside diameter, 0.688 inches nominal under flange height

Specs & Compatibility

Flange Diameter

6.000 inches nominal

Body Outside Diameter

4.875 inches nominal

Body Inside Diameter

4.500 inches nominal

Flange Seat To Disk End Height

0.500 inches nominal

Under Flange Height

0.688 inches nominal

Seat Angle In Deg

45.000 nominal

Seal Accommodation Type

recessed

Seating Surface Shape

angular

Special Features

furnished w/one gasket

Material

nickel alloy overall

Style Designator

plain flanged

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

0022113

Related Hardware Products

Part Number Description
212RA1PC6 Valve Seat
23N0021-7 Valve Seat
P23N0021-7 Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-738-7003?
The FSCG of the NSN 4820-00-738-7003 is 4820
Does the NSN 4820-00-738-7003 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-738-7003 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 4820-00-738-7003 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-738-7003 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 4820-00-738-7003 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961