Aerospace Hardware Store

Aerospace

Hardware

MC21597 Valve Seat

4820-01-547-7985

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

1001622
5310-01-557-0243
Hexagon Plain Nut
10016231
5340-01-590-9912
Cushioning Pad
1001625
5330-01-591-3596
Nonmetallic Special Shaped Seal
10016254
5342-00-500-0036
Weapon System Resilient Mount
10016255
5342-01-108-2909
Weapon System Resilient Mount
1001626
4820-01-116-6866
Calibrated Flow Valve
1001626-01
4820-01-054-0348
Globe Valve
1001626-02
4820-01-116-6866
Calibrated Flow Valve

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
MC21597
(NSN) National Stock Number
4820-01-547-7985
(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
02/01/2007 (19 years ago)

4820-01-547-7985, valve seat

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions 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
MC21597 Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-547-7985?
The FSCG of the NSN 4820-01-547-7985 is 4820
Does the NSN 4820-01-547-7985 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-547-7985 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-01-547-7985 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-547-7985 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 4820-01-547-7985 was assigned to the Federal Catalog?
It was assigned 19 years ago, on Thu, Feb 1, 2007