Aerospace Hardware Store

Aerospace

Hardware

4820-01-154-3728

Backup Valve Assembly

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

334603P01
5325-01-351-1275
Retaining Ring
3346074
5310-01-596-1024
Flat Washer
334609P01
4730-00-623-3889
Tube to Boss Straight Adapter
33461
3020-00-914-5194
Gear
33461-1 B/M NO. 11
5330-01-531-7718
Nonmetallic Strip Seal
33461-1 B/M NO. 8
5310-01-532-1190
Flat Washer
33461/59754-3-13 ITEM 13
4730-01-432-2544
Pipe Plug
33461/60326-5,-
4730-01-433-2561
Pipe Plug

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
Backup Valve Assembly
(NSN) National Stock Number
4820-01-154-3728
(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
05/24/1983 (43 years ago)

quality control iaw navships 0948-045-7010 material identification and control instruction for level one items reference number differentiating characteristics, zzzy criticality code justification

Specs & Compatibility

Criticality Code Justification

zzzy

Reference Number Differentiating Characteristics

quality control iaw navships 0948-045-7010 material identification and control instruction for level one items

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

1649561

Related Hardware Products

Part Number Description
209-4788587 ITEM 7 Backup Valve Assembly
209-4788587 ITEM 7L1 Backup Valve Assembly
4788587-0007 Backup Valve Assembly
4788587-0007L1 Backup Valve Assembly

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-154-3728?
The FSCG of the NSN 4820-01-154-3728 is 4820
Does the NSN 4820-01-154-3728 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-154-3728 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4820-01-154-3728 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-154-3728 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 4820-01-154-3728 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Tue, May 24, 1983