Aerospace Hardware Store

Aerospace

Hardware

4251F4Y Globe Valve

4820-01-042-2921

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

37C301075P104
4820-00-918-5704
Safety Relief Valve
37C301075P105
4820-01-052-9688
Restrictor Check Valve
37C301171P101
5340-00-767-1163
Retaining Strap
37C301172P101
5306-00-917-0831
Tee Head Bolt
37C301173P101
5306-00-786-5108
Tee Head Bolt
37C301211P103
5310-00-827-4778
Extended Washer Self-Locking Nut
37C301228P101
4710-00-797-0362
Metal Tube Assembly
37C301260P101
5342-00-773-3993
Speed Senso Bracket

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
Globe Valve
Part Number
4251F4Y
(NSN) National Stock Number
4820-01-042-2921
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05485
(FIIG) Federal Item Identification Guide
A046B0
Date
06/08/1977 (49 years ago)

threaded bonnet attachment method, right-hand all ends thread direction, inside screw bonnet type, disk flow control device, 600.0 fahrenheit single response maximum operating temp

Specs & Compatibility

Thread Direction

right-hand all ends

Flow Control Device

disk

Bonnet Type

inside screw

Bonnet Attachment Method

threaded

Maximum Operating Temp

600.0 fahrenheit single response

Connection Style

plain,optional end(pipe) all ends

Valve Operation Method

manual

Connection Type

threaded internal pipe all ends

Maximum Operating Pressure

2000.0 pounds per square inch single response

Nominal Thread Size

0.250 inches all ends

Material

plastic polytetrafluoroethylene flow control device

Material

steel comp 316 body

Material

steel comp 316 seat

Material

steel comp 316 stem

Material Document And Classification

66 fed std single material response body

Material Document And Classification

66 fed std single material response seat

Material Document And Classification

66 fed std single material response stem

Style Designator

straight thru

Thread Series Designator

npt all ends

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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

0005485

Related Hardware Products

Part Number Description
3008143-1 Globe Valve
4251F4Y Globe Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-042-2921?
The FSCG of the NSN 4820-01-042-2921 is 4820
Does the NSN 4820-01-042-2921 have a Schedule B code assigned?
Yes, the Schedule B code is 8481803060
Does NSN 4820-01-042-2921 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 4820-01-042-2921 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-042-2921 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 4820-01-042-2921 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Wed, Jun 8, 1977