V1128M

View detailed technical data, stock status, and sourcing information for: V1128M

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V1128M
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-134-4248
Item Name Code
08101
Assigment Date
07/18/1969 (56 years ago)

An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.

unable to decode body material, threaded external pipe first end connection type, air media for which designed, straight thru body style, plain first end style designator

Product Characteristics

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

Body Material
unable to decode
Body Style
straight thru
Media For Which Designed
air
First End Connection Type
threaded external pipe
First End Style Designator
plain
First End Nominal Pipe Size Accommodated
0.500 inches
First End Thread Direction
right-hand
Flow Control Device
poppet
End Connection Quantity
1
Temp Adjustability
adjustable
Absolute Pressure Range
+0.0 to 0.3
Special Features
spring loaded poppet

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
4820-00-439-6017 No Name Available 04/04/1973

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
0624B0280 Vacuum Breaking Valve
6711-020 Vacuum Breaking Valve
V1-12-8M Vacuum Breaking Valve
V1128M Vacuum Breaking Valve

FAQs

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

What is the FSCG of the NSN 4820-00-134-4248?
The FSCG of the NSN 4820-00-134-4248 is 4820
Does the NSN 4820-00-134-4248 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809050
Does NSN 4820-00-134-4248 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 4820-00-134-4248 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-134-4248 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 4820-00-134-4248 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, Jul 18, 1969

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