Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-01-201-0799 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: TA7701248, TA-770-1248, TA770-1248, 4820-01-201-0799, 01-201-0799, 4820012010799, 012010799

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 12 FEB 1985 01-201-0799

Drawings & Photos | NSN 4820-01-201-0799


Demand History | NSN 4820-01-201-0799

Part Number Request Date QTY Origin
TA-770-1248 2024-11-319 29 DIBBS
TA770-1248 2024-11-319 29 DIBBS
TA-770-1248 2024-02-53 43 DIBBS
TA770-1248 2024-02-53 43 DIBBS
4820-01-201-0799 2016-03-63 113 DIBBS
4820-01-201-0799 2015-07-211 112 DIBBS
4820-01-201-0799 2015-03-60 35 DIBBS
4820-01-201-0799 2010-05-139 262 DIBBS
4820-01-201-0799 2010-04-120 206 DIBBS
4820-01-201-0799 2010-03-81 117 DIBBS
4820-01-201-0799 2010-02-36 165 DIBBS
4820-01-201-0799 2010-01-08 323 DIBBS
4820-01-201-0799 2009-12-338 354 DIBBS
4820-01-201-0799 2009-11-313 112 DIBBS
4820-01-201-0799 2009-08-222 121 DIBBS
4820-01-201-0799 2009-03-83 88 DIBBS
4820-01-201-0799 2008-12-364 197 DIBBS

Cross Reference | NSN 4820-01-201-0799

Part Number Cage Code Manufacturer
TA-770-1248 00334 CLARIANT CORPORATION
TA-770-1248 01347 ARIZONA GEAR AND MFG CO
TA770-1248 08992 AGM CONTAINER CONTROLS INC. DBA A G M

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Technical Data | NSN 4820-01-201-0799

Characteristic Specifications
BODY STYLE A46 SINGLE CONNECTION STRAIGHT THRU
BODY MATERIAL ALUMINUM ALLOY
OUTSIDE SURFACE TREATMENT ANODIZED, MIL-A-8625, TYPE 2
FLOW CONTROL DEVICE DISK, TOP GUIDED
END CONNECTION QUANTITY 1
FIRST END CONNECTION TYPE THREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATOR J6 PLAIN
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED 2.000 INCHES NOMINAL
FIRST END THREAD CLASS 2A
FIRST END THREAD DIRECTION RIGHT-HAND
FIRST END SEAT ANGLE IN DEG 1.0
MAXIMUM OPERATING PRESSURE NOT RATED
TEMP RATING NOT RATED
OPENING PRESSURE SETTING 1.0 POUNDS PER SQUARE INCH
VALVE VENTING DESIGN TYPE ATMOSPHERIC
DISK LOADING METHOD SPRING
SPECIAL FEATURES WITH MANUAL RELEASE BUTTON

Restrictions/Controls & Freight Information | NSN 4820-01-201-0799

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.
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 4820-01-201-0799

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each