Aerospace Hardware Store

Aerospace

Hardware
  1. Home /
  2. Hardware Catalog /
  3. Nonpowered Valves /
  4. 4820-01-034-1721

4820-01-034-1721

Valve Seat

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

2536426-3
5306-01-010-2344
Externally Relieved Body Bolt
2536455-601
5315-01-181-9468
Headed Straight Pin
2536455-602
5365-01-330-6156
Round Connecting Ring
2536455-603
5310-01-236-7413
Nut
2536455-608
5365-01-206-9548
Sleeve Spacer
2536455-613
5315-01-181-9468
Headed Straight Pin
2536464-001
5360-01-168-1448
Leaf Spring
2536465-001
5360-01-163-5021
Leaf Spring

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
(NSN) National Stock Number
4820-01-034-1721
(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
01/20/1977 (49 years ago)

0.500 inches nominal seat radius, 1.000 inches nominal body outside diameter, radial seating surface shape, 0.219 inches nominal overall height, 0.562 inches nominal body inside diameter

Specs & Compatibility

Overall Height

0.219 inches nominal

Body Outside Diameter

1.000 inches nominal

Body Inside Diameter

0.562 inches nominal

Seat Radius

0.500 inches nominal

Seating Surface Shape

radial

Special Features

0.750 in. valve size

Material

rubber buna n overall

Style Designator

plain

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
06932 Valve Seat
K444BNP3-4PC5 Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-034-1721?
The FSCG of the NSN 4820-01-034-1721 is 4820
Does the NSN 4820-01-034-1721 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-034-1721 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 4820-01-034-1721 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-034-1721 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 4820-01-034-1721 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Thu, Jan 20, 1977