Aerospace Hardware Store

Aerospace

Hardware

4820-01-559-8501

Emergency Valve

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

12KP598
4810-01-575-4823
Butterfly Valve
12KP599
5330-01-598-5039
Mecha Seal Replacement Parts Kit
12KP601
5305-01-600-3405
He Cap Screw
12KP603
5305-01-600-3407
He Cap Screw
12KP604
5305-01-600-3406
He Cap Screw
12KP605
5305-01-600-3404
He Cap Screw
12KP613
5330-01-569-4279
Packing Retainer
12KP615
5330-01-569-3731
Packing Retainer

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
Emergency Valve
(NSN) National Stock Number
4820-01-559-8501
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
77777
(FIIG) Federal Item Identification Guide
A23900
Date
01/08/2008 (18 years ago)

cylinder body 1; cylinder disk 1;stem 1; piston 1; hex cap screw 4; cap1; o-ring 5; seal washer 1; valve body1; u-cup seal 3; hex jam nut 1; lock washer 5; spring 2; seal screw 1; screw1; flushing plug 1; quick exhaust assembly 1 accessory components and quantity, 11.625 inches nominal overall width, 13.312 inches nominal overall height, "5" x 4" emergency valve" part name assigned by controlling agency

Specs & Compatibility

Overall Height

13.312 inches nominal

Overall Width

11.625 inches nominal

Accessory Components And Quantity

cylinder body 1; cylinder disk 1;stem 1; piston 1; hex cap screw 4; cap1; o-ring 5; seal washer 1; valve body1; u-cup seal 3; hex jam nut 1; lock washer 5; spring 2; seal screw 1; screw1; flushing plug 1; quick exhaust assembly 1

Part Name Assigned By Controlling Agency

"5" x 4" emergency valve"

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

1654478

Related Hardware Products

Part Number Description
VA5142 Emergency Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-559-8501?
The FSCG of the NSN 4820-01-559-8501 is 4820
Does the NSN 4820-01-559-8501 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809050
Does NSN 4820-01-559-8501 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 4820-01-559-8501 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-559-8501 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 4820-01-559-8501 was assigned to the Federal Catalog?
It was assigned 18 years ago, on Tue, Jan 8, 2008