Product Details | HYDRAULIC SYSTEM BLEEDER VALVE

4820-01-121-0917 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: CV0427001, CV0427-001, SS4P4M, 4820-01-121-0917, 01-121-0917, 4820011210917, 011210917

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 OCT 1981 01-121-0917

Drawings & Photos | NSN 4820-01-121-0917


Demand History | NSN 4820-01-121-0917

Part Number Request Date QTY Origin
SS4P4M 2022-10-277 3 United States
SS4P4M 2017-05-125 1 United States
SS4P4M 2017-02-40 1 United States
4820-01-121-0917 2015-04-96 43 DIBBS
4820-01-121-0917 2015-03-77 78 DIBBS
4820-01-121-0917 2014-02-56 55 DIBBS
4820-01-121-0917 2011-02-35 91 DIBBS
4820-01-121-0917 2010-03-63 78 DIBBS
4820-01-121-0917 2009-10-292 77 DIBBS
4820-01-121-0917 2009-08-233 14 DIBBS
4820-01-121-0917 2009-06-168 10 DIBBS
4820-01-121-0917 2009-05-121 70 DIBBS
4820-01-121-0917 2009-03-86 16 DIBBS

Cross Reference | NSN 4820-01-121-0917

Part Number Cage Code Manufacturer
CV0427-001 22915 NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM
SS4P4M 18034 NUPRO CO

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Technical Data | NSN 4820-01-121-0917

Characteristic Specifications
MATERIAL STEEL COMP 316 BODY STEEL COMP 316 FLOW CONTROL DEVICE
STYLE DESIGNATOR A7 ANGLE
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE WATER-OIL-GAS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 600.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE THREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLE G46B PLAIN ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 0.250 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS

Restrictions/Controls & Freight Information | NSN 4820-01-121-0917

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 4820-01-121-0917

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
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 CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each