Product Details | HYDRAULIC SYSTEM BLEEDER VALVE

4820-01-122-2177 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: SS4P4, SS-4P-4, D-04N-0-99-011 ITEM 33, D04N099011ITEM33, 4P4, 4P-4, 4820-01-122-2177, 01-122-2177, 4820011222177, 011222177

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 NOV 1981 01-122-2177

Drawings & Photos | NSN 4820-01-122-2177


Demand History | NSN 4820-01-122-2177

Part Number Request Date QTY Origin
D-04N-0-99-011 ITEM 33 2025-03-86 25 DIBBS
SS-4P-4 2025-03-86 25 DIBBS
D-04N-0-99-011 ITEM 33 2022-06-167 25 DIBBS
SS-4P-4 2022-06-167 25 DIBBS
D-04N-0-99-011 ITEM 33 2020-12-338 192 DIBBS
SS-4P-4 2020-12-338 192 DIBBS
4820-01-122-2177 2018-08-228 80 DIBBS
4820-01-122-2177 2017-08-219 51 DIBBS
4820-01-122-2177 2016-09-251 115 DIBBS
4820-01-122-2177 2014-08-218 84 DIBBS
4820-01-122-2177 2014-03-78 61 DIBBS
4820-01-122-2177 2014-01-29 21 DIBBS
4820-01-122-2177 2012-10-285 5 DIBBS
4820-01-122-2177 2012-10-277 6 DIBBS
4820-01-122-2177 2012-10-276 0 DIBBS
4820-01-122-2177 2012-08-243 6 DIBBS
4820-01-122-2177 2012-08-230 9 DIBBS
4820-01-122-2177 2012-08-215 20 DIBBS
4820-01-122-2177 2012-06-181 7 DIBBS
4820-01-122-2177 2012-03-69 0 DIBBS
4820-01-122-2177 2012-02-40 9 DIBBS
4820-01-122-2177 2012-01-04 13 DIBBS
4820-01-122-2177 2011-12-362 8 DIBBS
4820-01-122-2177 2008-12-357 40 DIBBS
4820-01-122-2177 2008-11-317 7 DIBBS

Cross Reference | NSN 4820-01-122-2177

Part Number Cage Code Manufacturer
4P-4 18034 NUPRO CO
D-04N-0-99-011 ITEM 33 10741 CARLISLE AND FINCH COMPANY, THE
SS-4P-4 02570 SWAGELOK COMPANY DBA USE CAGE CODE 3T9T9 FOR
SS-4P-4 18034 NUPRO CO

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Technical Data | NSN 4820-01-122-2177

Characteristic Specifications
MATERIAL STEEL BODY
STYLE DESIGNATOR A7 ANGLE
FLOW CONTROL DEVICE STEM
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL
CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE G45 FLARELESS ALL ENDS
SEAT ANGLE 12.5 DEGREES ALL ENDS
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.250 INCHES ALL ENDS
THREAD CLASS 2A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS

Restrictions/Controls & Freight Information | NSN 4820-01-122-2177

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 4820-01-122-2177

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