Aerospace Hardware Store

Aerospace

Hardware
  1. Home /
  2. Hardware Catalog /
  3. Nonpowered Valves /
  4. 4820-01-520-9577

4820-01-520-9577

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

711653-1
4820-00-623-8694
Globe Valve
711653-2
4820-00-623-8693
Globe Valve
711656-1
5330-01-114-9056
Packing Retainer
7116564
4720-01-526-8960
Nonmetallic Hose Assembly
7116565
4720-01-531-1917
Nonmetallic Hose Assembly
71166
3020-01-283-6460
Ratchet Wheel
7116615
4720-01-472-7370
Nonmetallic Hose Assembly
711662806903
5315-00-501-3529
Headless Shoulder Pin

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
4820-01-520-9577
(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
06/03/2004 (22 years ago)

oxygen, gaseous or nitrogen, liquid media for which designed, 1/4 inch check valve end item identification, zzzy criticality code justification, cleaning, packaging, and marking iaw the latest revision of mil-std-1330 reference number differentiating characteristics, nickel alloy material

Specs & Compatibility

End Item Identification

1/4 inch check valve

Criticality Code Justification

zzzy

Material

nickel alloy

Media For Which Designed

oxygen, gaseous or nitrogen, liquid

Reference Number Differentiating Characteristics

cleaning, packaging, and marking iaw the latest revision of mil-std-1330

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
S

The item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.

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
190000 PC NO. 3 Valve Disk
190000 PC NO. 3CP Valve Disk
90H304CP Valve Disk

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-520-9577?
The FSCG of the NSN 4820-01-520-9577 is 4820
Does the NSN 4820-01-520-9577 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-520-9577 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 4820-01-520-9577 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-520-9577 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 4820-01-520-9577 was assigned to the Federal Catalog?
It was assigned 22 years ago, on Thu, Jun 3, 2004