Aerospace Hardware Store

Aerospace

Hardware

MS28771-12AL Check Valve

4820-00-059-4920

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

820-5295960PC49AA
5310-01-513-2292
Hexagon Plain Nut
820-5295960PC49C
5310-01-514-7875
Hexagon Plain Nut
820-5295960PC49F
5310-01-513-5386
Nut Coupling
820-5295960PC49FB
5310-01-515-0596
Coupling Nut
820-5295960PC49H
5310-01-515-3051
Cap Plain Nut
820-5295960PC51B
4820-01-513-4602
Valve Disk Retainer
820-5295960PC51E
4820-01-513-4784
Valve Disk Retainer
820-5295960PC51G
4820-01-513-4614
Valve Disk 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
Check Valve
Part Number
MS28771-12AL
(NSN) National Stock Number
4820-00-059-4920
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05487
(FIIG) Federal Item Identification Guide
A530B0
Date
06/15/1967 (59 years ago)

3a all ends thread class, flared (tube) all ends connection style, right-hand all ends thread direction, poppet flow control device, missle, mxpeacemaker end item identification

Specs & Compatibility

Thread Class

3a all ends

Thread Direction

right-hand all ends

Flow Control Device

poppet

End Item Identification

missle, mxpeacemaker

Connection Style

flared (tube) all ends

Valve Operation Method

automatic

Connection Type

threaded external tube all ends

Mounting Position

horizontal or vertical

Thread Quantity Per Inch

12 all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Nominal Thread Size

1.750 inches all ends

Seat Angle

37.0 degrees all ends

Criticality Code Justification

feat

Special Features

weapon system essential

Material

aluminum alloy body

Material

steel corrosion resisting flow control device

Material

steel seat

Media For Which Designed

fuel/oil, hydrocarbon single response

Style Designator

straight thru

Thread Series Designator

un all ends

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions 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

0005487

Related Hardware Products

Part Number Description
MIL-V-19069 Check Valve
MS28771-12 Check Valve
MS28771-12AL Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-059-4920?
The FSCG of the NSN 4820-00-059-4920 is 4820
Does the NSN 4820-00-059-4920 have a Schedule B code assigned?
Yes, the Schedule B code is 8481309000
Does NSN 4820-00-059-4920 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 4820-00-059-4920 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-059-4920 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 4820-00-059-4920 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Thu, Jun 15, 1967