Product Details | CALIBRATED FLOW VALVE

4820-01-178-7025 A valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. It is designed to be used with various fluids and may be preset and/or adjustable. It may be in-line or cartridge (manifold) design. Excludes VALVE, REGULATING, FEED WATER; VALVE, REGULATING, FLUID PRESSURE; VALVE, REGULATING, FUEL OIL; VALVE, REGULATING, OIL PRESSURE, AUTOMATIC PILOT; VAVLE, REGULATING, TEMPERATURE; VALVE, ANGLE; and VALVE, GLOBE.

Part Alternates: 4C177, 4820-01-178-7025, 01-178-7025, 4820011787025, 011787025

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 MAY 1984 01-178-7025

Drawings & Photos | NSN 4820-01-178-7025


Demand History | NSN 4820-01-178-7025

Part Number Request Date QTY Origin
4C177 2021-08-216 2 DIBBS
4C177 2020-01-27 10 DIBBS
4C177 2019-09-251 2 DIBBS
4C177 2019-06-168 2 DIBBS
4C177 2019-06-156 2 DIBBS
4C177 2019-02-50 1 DIBBS
4C177 2019-02-34 1 DIBBS
4C177 2019-01-03 1 DIBBS

Cross Reference | NSN 4820-01-178-7025

Part Number Cage Code Manufacturer
4C177 82829 ALLEN AIRCRAFT PRODUCTS INC

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Technical Data | NSN 4820-01-178-7025

Characteristic Specifications
BODY MATERIAL ALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T351
FLOW CONTROL DEVICE PISTON, SPRING LOADED
FIRST END CONNECTION TYPE THREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATOR D3 FLARED
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES NOMINAL
FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR 0.438-20 UNJF
FIRST END THREAD CLASS 3A
FIRST END THREAD DIRECTION RIGHT-HAND
FIRST END SEAT ANGLE IN DEG 37.0
MEDIA FOR WHICH DESIGNED AIR AND GAS AND HYDROCARBON FUELS AND OILS
VALVE DISCHARGE FLOW RATE 0.55 GALLONS PER MINUTE

Restrictions/Controls & Freight Information | NSN 4820-01-178-7025

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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