Product Details | VALVE PISTON

4820-01-120-4528 A cylindrical item of various configurations which reciprocates in a valve body, assisting in the movement of the disk to open or close a valve. May include additional components such as ring(s), collar(s), spring(s) and the like. Excludes DISK, VALVE.20525300060Vehicular Brake, Steering, Axle, Wheel, and Track Components28150029Diesel Engines and Components29150064Engine Fuel System Components, Aircraft and Missile Prime Movers48100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 160, 16000, 160-00, 40175, 4820-01-120-4528, 01-120-4528, 4820011204528, 011204528

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 OCT 1981 01-120-4528

Demand History | NSN 4820-01-120-4528

Part Number Request Date QTY Origin
160 2025-08-216 4 DIBBS
160-00 2025-08-216 4 DIBBS
160 2025-07-205 4 DIBBS
160-00 2025-07-205 4 DIBBS
160 2022-11-317 4 DIBBS
160-00 2022-11-317 4 DIBBS
16000 2020-10-303 2 UK
4820-01-120-4528 2018-09-270 6 DIBBS
4820-01-120-4528 2016-01-29 6 DIBBS
4820-01-120-4528 2016-01-18 6 DIBBS
4820-01-120-4528 2011-07-193 3 DIBBS
4820-01-120-4528 2010-10-277 1 DIBBS
16000 2010-04-99 1 United States

Cross Reference | NSN 4820-01-120-4528

Part Number Cage Code Manufacturer
160 55378 TRAC REGULATORS INC
160-00 55378 TRAC REGULATORS INC
40175 55378 TRAC REGULATORS INC

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Technical Data | NSN 4820-01-120-4528

Characteristic Specifications
MATERIAL COPPER ALLOY
VALVE SIZE FOR WHICH DESIGNED 2.000 INCHES
VALVE TYPE FOR WHICH DESIGNED PRESSURE REDUCING
OVERALL LENGTH 1.878 INCHES NOMINAL
OUTSIDE DIAMETER 1.994 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 4820-01-120-4528

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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
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 4820-01-120-4528

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 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