Product Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-01-168-1899 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: A230604000009, HT2804 REF.E2 1307 , HT2804REFE21307, JCM14846001, JCM-14846-001, TA3330505R, TA333-05-05-R, TA33305100R, TA333-05-100-R, TA33305R, TA333-05-R, 13155105, 4820-01-168-1899, 01-168-1899, 4820011681899, 011681899

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 14 DEC 1983 01-168-1899

Drawings & Photos | NSN 4820-01-168-1899


Demand History | NSN 4820-01-168-1899

Part Number Request Date QTY Origin
23493155 2022-11-317 191 DIBBS
7423493155 2022-11-317 191 DIBBS
A230604000009 2022-11-317 191 DIBBS
HT2804 REF.E2 1307 2022-11-317 191 DIBBS
TA333-05-05-R 2022-11-317 191 DIBBS
W100 096-055 2022-11-317 191 DIBBS
HT2804 REF.E2 1307 2022-05-125 82 DIBBS
TA333-05-05-R 2022-05-125 82 DIBBS
HT2804 REF.E2 1307 2021-11-308 17 DIBBS
TA333-05-05-R 2021-11-308 17 DIBBS
TA3330505R 2021-04-92 1 IN
TA3330505R 2021-04-92 4 IN
4820-01-168-1899 2017-06-155 294 DIBBS
4820-01-168-1899 2016-06-167 108 DIBBS
4820-01-168-1899 2016-03-63 64 DIBBS
4820-01-168-1899 2015-05-148 54 DIBBS
4820-01-168-1899 2015-04-111 13 DIBBS
4820-01-168-1899 2014-05-127 20 DIBBS
4820-01-168-1899 2014-04-110 25 DIBBS
4820-01-168-1899 2010-05-140 23 DIBBS

Cross Reference | NSN 4820-01-168-1899

Part Number Cage Code Manufacturer
13155105 18876 U S ARMY AVIATION AND MISSILE COMMAND
HT2804 REF.E2 1307 U4535 B A E SYSTEMS ELECTRONICS LTD DBA MISSION SYSTEMS
JCM-14846-001 58905 STRIKE WEAPONS AND UNMANNED AVIATION
TA333-05-05-R 08992 AGM CONTAINER CONTROLS INC. DBA A G M
TA333-05-100-R 08992 AGM CONTAINER CONTROLS INC. DBA A G M
TA333-05-R 08992 AGM CONTAINER CONTROLS INC. DBA A G M

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Technical Data | NSN 4820-01-168-1899

Characteristic Specifications
BODY STYLE B3 SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL ALUMINUM
OUTSIDE SURFACE TREATMENT ANODIZED
SEAT MATERIAL PLASTIC, POLYTETRAFLUOROETHYLENE
FLOW CONTROL DEVICE DISK, DUAL
FLOW CONTROL DEVICE MATERIAL RUBBER
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 2A
FIRST END THREAD DIRECTION RIGHT-HAND
MAXIMUM OPERATING PRESSURE NOT RATED
MEDIA FOR WHICH DESIGNED AIR
TEMP RATING NOT RATED
VALVE VENTING DESIGN TYPE ATMOSPHERIC
VALVE RELIEF DESIGN TYPE PRESSURE AND VACUUM
DISK LOADING METHOD SPRING
ABSOLUTE PRESSURE SETTING NOT RATED
FURNISHED ITEMS MANUAL UNLOADER ON VACUUM SIDE AND NUT AND GASKET AND WASHER

Restrictions/Controls & Freight Information | NSN 4820-01-168-1899

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 576 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 4820-01-168-1899

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