MS28771-12AL

View detailed technical data, stock status, and sourcing information for: MS28771-12AL

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MS28771-12AL
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-059-4920
Item Name Code
05487
Assigment Date
06/15/1967 (59 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

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

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

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

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

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

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

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

Professional Distribution

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Pricing

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ITAR Registered

In Stock

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Overhauled 1
Total 1
Availability of this item was last updated on: 12/09/2025 08:12 PM EST. Stock levels and pricing are subject to change.

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