Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-00-173-1779 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: ZSP60375, ZSP6-037-5, 370-113095, 4820-00-173-1779, 00-173-1779, 4820001731779, 370113095, 001731779

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 DEC 1971 00-173-1779

Drawings & Photos | NSN 4820-00-173-1779


Cross Reference | NSN 4820-00-173-1779

Part Number Cage Code Manufacturer
370-113095 94987 CUBIC DEFENSE APPLICATIONS, INC.
ZSP6-037-5 98376 ZERO MANUFACTURING, INC.

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Technical Data | NSN 4820-00-173-1779

Characteristic Specifications
BODY STYLE B3 SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL ALUMINUM
OUTSIDE SURFACE TREATMENT ANODIZED BLACK
FLOW CONTROL DEVICE DISK, FLAT
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL BOSS
FIRST END STYLE DESIGNATOR J10 EXTERNAL SEAT FOR GASKET SEAL
FIRST END THREAD CLASS 3A
FIRST END THREAD DIRECTION RIGHT-HAND
MAXIMUM OPERATING PRESSURE NOT RATED
MEDIA FOR WHICH DESIGNED AIR NITROGEN, GASEOUS
TEMP RATING -65.0 DEG FAHRENHEIT 160.0 DEG FAHRENHEIT
VALVE VENTING DESIGN TYPE ATMOSPHERIC
SPECIAL FEATURES EQUIPPED W/MANUAL RELEASE

Restrictions/Controls & Freight Information | NSN 4820-00-173-1779

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:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
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 AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4820-00-173-1779

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each