Aerospace Hardware Store

Aerospace

Hardware
  1. Home /
  2. Hardware Catalog /
  3. Nonpowered Valves /
  4. 4820-01-159-7704

4820-01-159-7704

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

6870113
5365-00-461-5789
Sleeve Spacer
6870113-1
5365-00-461-5789
Sleeve Spacer
6870164
5330-00-110-8660
Rear B Turbine Seal
6870166
5340-01-617-5749
Mounting Bracket
6870167
5342-00-080-1858
Shipping Container Bracket
6870171-1
5330-00-181-0123
Gasket
6870172-1
5330-00-181-0125
Gasket
6870173
5342-00-245-3893
Weapon System Resilient Mount

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
4820-01-159-7704
(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
08/13/1983 (43 years ago)

0.260 inches nominal under flange height, 0.697 inches nominal body inside diameter, 0.824 inches nominal body outside diameter, 0.360 inches nominal flange seat to disk end height, 0.906 inches nominal flange diameter

Specs & Compatibility

Flange Diameter

0.906 inches nominal

Body Outside Diameter

0.824 inches nominal

Body Inside Diameter

0.697 inches nominal

Flange Seat To Disk End Height

0.360 inches nominal

Under Flange Height

0.260 inches nominal

Seat Angle In Deg

7.000 nominal

Seating Surface Shape

angular

Material

steel comp 316 overall

Style Designator

plain flanged

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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
23399-1 ITEM 5 1IN Valve Seat
2399-1 ITEM 5 1IN Valve Seat
2554-73-068 Valve Seat
2554-73-279 Valve Seat
2554-73-68 Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-159-7704?
The FSCG of the NSN 4820-01-159-7704 is 4820
Does the NSN 4820-01-159-7704 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-159-7704 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 4820-01-159-7704 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-159-7704 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 4820-01-159-7704 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Sat, Aug 13, 1983