Product Details | HYDRAULIC SYSTEM BLEEDER VALVE

4820-01-300-2978 A metallic, threaded, screw-shaped item used in hydraulic brake cylinders, hydraulic power units, missile launching hydraulic systems, and the like, for the purpose of providing a means of releasing air form and/or flushing a hydraulic system. It may be furnished with or without a dust cap. Excludes spring loaded or automatic type air pressure relief valves, and BOLT, FLUID PASSAGE.

Part Alternates: GV500AAR1, 1FA011181, 1FA01118-1, 4820-01-300-2978, 01-300-2978, 4820013002978, 013002978

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 12 MAY 1989 01-300-2978

Drawings & Photos | NSN 4820-01-300-2978


Demand History | NSN 4820-01-300-2978

Part Number Request Date QTY Origin
4820-01-300-2978 2015-01-26 10 DIBBS
4820-01-300-2978 2015-01-14 10 DIBBS
4820-01-300-2978 2013-07-202 5 DIBBS
4820-01-300-2978 2013-06-156 6 DIBBS
4820-01-300-2978 2013-03-63 5 DIBBS
4820-01-300-2978 2012-12-360 11 DIBBS
4820-01-300-2978 2012-07-208 3 DIBBS
4820-01-300-2978 2012-07-191 4 DIBBS
4820-01-300-2978 2011-07-190 7 DIBBS
4820-01-300-2978 2011-04-101 1 DIBBS
4820-01-300-2978 2011-01-07 4 DIBBS
4820-01-300-2978 2010-12-355 3 DIBBS
4820-01-300-2978 2010-03-64 5 DIBBS
4820-01-300-2978 2009-12-357 6 DIBBS
4820-01-300-2978 2009-04-97 6 DIBBS
4820-01-300-2978 2008-12-366 3 DIBBS
4820-01-300-2978 2008-12-340 5 DIBBS

Cross Reference | NSN 4820-01-300-2978

Part Number Cage Code Manufacturer
1FA01118-1 26437 TRIUMPH ACTUATION SYSTEMS, LLC DIV TRIUMPH ACTUATION SYSTEMS -
GV500AAR1 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE

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Technical Data | NSN 4820-01-300-2978

Characteristic Specifications
MATERIAL ALUMINUM BODY
STYLE DESIGNATOR A7 ANGLE
FLOW CONTROL DEVICE PLUG
MEDIA FOR WHICH DESIGNED REFRIGERANT 114 SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 149.0 DEG CELSIUS SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE THREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLE G43 EXTERNAL SEAT FOR GASKET SEAL ALL ENDS
SEAT ANGLE 37.0 DEGREES ALL ENDS
THREAD SERIES DESIGNATOR UNJ ALL ENDS
NOMINAL THREAD SIZE 0.562 INCHES ALL ENDS
THREAD QUANTITY PER INCH 18 ALL ENDS
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
SPECIAL FEATURES INCL PRESSURE CAP AND BLEED SCREW

Restrictions/Controls & Freight Information | NSN 4820-01-300-2978

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 4820-01-300-2978

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