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Gaseous Products Pressure Equalizing Valve

NSN: 4820-01-422-0285 | Model: TA292-05-05-R

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

NSN Properties and Flags
NATO Stock Number
Body Material
Aluminum alloy
Maximum Operating Pressure
0.5 pounds per square inch
Body Style
A1 straight thru
First End Connection Type
Threaded internal tube
First End Style Designator
First End Outside Diameter Tube Accommodated
0.500 inches
First End Thread Direction
Flow Control Device
Disk, flat
Flow Control Device Material
Aluminum bronze
End Connection Quantity
Valve Venting Design Type
Valve Relief Design Type
Pressure and vacuum
End Application
Aircraft, airlifter c-17a
First End Thread Series Designator
First End Thread Size
0.750 inches
Special Features
Manual-release push button

Inventory Check

The last inventory check on this NSN was done on 10/13/2021. Due to rapid changes in inventory this may not be the current stock qty.

  • New: 1
  • New Surplus: 1

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 4820-01-422-0285 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • TA292-05-05-R
  • TA292-05-05-R
Cage Codes:
  • Agm Container Controls Inc. (CAGE 08992)
Schedule B & Trade:
  • Schedule B: 8481809050 (NAICS 332911)

    Other taps, cocks, valves, etc., nesoi

  • SITC: 74780

    Taps, cocks, valves and similar appliances, n.E.S.

  • End Use: 21180

    Industrial machines, other


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


A - Item does not contain precious metal.


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    051080 - Faucets, bibcocks, gates valves

  • WCC:

    594 - Pumps and parts, (machinery and parts),(less than 35 feet)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $129.96 to $216.61..
Does NSN 4820-01-422-0285 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
U.s. Marine Corps, Department Of The Navy, Federal Aviation Administration, Belgium, and Republic Of Korea
What is the NIIN of NSN 4820-01-422-0285?
014220285 or 01-422-0285
Does NSN 4820-01-422-0285 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-01-422-0285?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Nov 20, 1995