Aerospace Hardware Store

Aerospace

Hardware
  1. Home /
  2. Hardware Catalog /
  3. Nonpowered Valves /
  4. 4820-01-256-8566

4820-01-256-8566

Fluid Pressure Regulating 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

9L1366
5365-01-129-0958
Sleeve Spacer
9L1373
4730-00-116-6765
Fluid Passage Bolt
9L13A
5330-00-618-0089
Nonmetallic Channel Seal
9L14000-12
4730-01-711-0948
Tube Coupling
9L14000-12 ITEM 67
4730-01-711-0948
Tube Coupling
9L14000-13
5340-01-708-7708
Clevis Bar
9L14000-13 ITEM 14
5340-01-708-7708
Clevis Bar
9L14000-4 FIGURE-INDEX 7-2-15
4010-01-650-8304
Lifting Chain Assem

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
Fluid Pressure Regulating Valve
(NSN) National Stock Number
4820-01-256-8566
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
27565
(FIIG) Federal Item Identification Guide
A21100
Date
06/09/1987 (39 years ago)

disk flow control device, feat criticality code justification, 2 end connection quantity, 3.000 inches nominal face to face distance, straight thru body style

Specs & Compatibility

Body Style

straight thru

Face To Face Distance

3.000 inches nominal

Flow Control Device

disk

End Connection Quantity

2

Criticality Code Justification

feat

Special Features

underwater life support iaw navsea instruction 10560.2b

Material

unable to decode

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
C

The item has critical features such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).

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

0027565

Related Hardware Products

Part Number Description
44-1313-1101-033 Fluid Pressure Regulating Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-256-8566?
The FSCG of the NSN 4820-01-256-8566 is 4820
Does the NSN 4820-01-256-8566 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809015
Does NSN 4820-01-256-8566 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 4820-01-256-8566 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-256-8566 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 4820-01-256-8566 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Tue, Jun 9, 1987