Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-00-176-9972 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.

Part Alternates: TA750VRH25, TA750-VRH-25, 4820-00-176-9972, 00-176-9972, 4820001769972, 001769972

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 FEB 1970 00-176-9972

Drawings & Photos | NSN 4820-00-176-9972


Demand History | NSN 4820-00-176-9972

Part Number Request Date QTY Origin
TA750-VRH-25 2020-03-86 34 DIBBS
4820-00-176-9972 2016-04-111 22 DIBBS
4820-00-176-9972 2015-07-211 18 DIBBS
4820-00-176-9972 2013-12-359 25 DIBBS
4820-00-176-9972 2013-05-121 67 DIBBS
4820-00-176-9972 2013-03-87 50 DIBBS
4820-00-176-9972 2013-03-87 60 DIBBS
4820-00-176-9972 2012-11-316 30 DIBBS
4820-00-176-9972 2012-11-316 38 DIBBS
4820-00-176-9972 2010-12-351 14 DIBBS
4820-00-176-9972 2010-12-349 9 DIBBS
4820-00-176-9972 2010-08-239 9 DIBBS
4820-00-176-9972 2010-07-182 1 DIBBS
4820-00-176-9972 2010-07-182 2 DIBBS
4820-00-176-9972 2010-01-26 1 DIBBS
4820-00-176-9972 2010-01-11 1 DIBBS
4820-00-176-9972 2010-01-11 3 DIBBS

Cross Reference | NSN 4820-00-176-9972

Part Number Cage Code Manufacturer
TA750-VRH-25 08992 AGM CONTAINER CONTROLS INC. DBA A G M

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Technical Data | NSN 4820-00-176-9972

Characteristic Specifications
BODY STYLE B2 SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL STEEL, CORROSION RESISTING
FLOW CONTROL DEVICE DIAPHRAGM
FLOW CONTROL DEVICE MATERIAL SILICON
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL PIPE
FIRST END STYLE DESIGNATOR J6 PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 2.000 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
MAXIMUM OPERATING PRESSURE 1.5 POUNDS PER SQUARE INCH
TEMP RATING NOT RATED
OPENING PRESSURE SETTING 4.0 POUNDS PER SQUARE INCH
VALVE VENTING DESIGN TYPE ATMOSPHERIC
VALVE RELIEF DESIGN TYPE VACUUM
SPECIAL FEATURES INLET VALVE WITH MANUAL-RELEASE TWIST KNOB

Restrictions/Controls & Freight Information | NSN 4820-00-176-9972

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-00-176-9972

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative