Aerospace Hardware Store

Aerospace

Hardware

4820-01-181-3944

Valve Disk

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

237421-002
5315-01-070-6956
Pin
237422
5340-00-028-1601
Angle Bracket
237425
4810-01-457-9334
Solenoid Valve
2374275
5307-00-399-0141
Insulated Stud
23743
5360-01-111-4280
Spring
23743-02061
5330-01-253-4392
Packing Retainer
23743-02071
5330-01-253-4393
Packing Retainer
23743-02081
5330-01-211-2921
Packing

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 Disk
(NSN) National Stock Number
4820-01-181-3944
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
35224
(FIIG) Federal Item Identification Guide
A539Y0
Date
06/09/1984 (42 years ago)

0.803 inches nominal inside diameter, 0.057 inches nominal overall height, plain style designator, rubber material, 1.750 inches nominal outside diameter

Specs & Compatibility

Inside Diameter

0.803 inches nominal

Outside Diameter

1.750 inches nominal

Overall Height

0.057 inches nominal

Material

rubber

Style Designator

plain

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

0035224

Related Hardware Products

Part Number Description
A48490-1 Valve Disk
A48561MRF Valve Disk

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-181-3944?
The FSCG of the NSN 4820-01-181-3944 is 4820
Does the NSN 4820-01-181-3944 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-181-3944 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 4820-01-181-3944 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-181-3944 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 4820-01-181-3944 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Sat, Jun 9, 1984