Product Details | VALVE DISK

4820-01-174-4178 An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.20616500058Aircraft Hydraulic, Vacuum, and De-icing System Components16600062Aircraft Air Conditioning, Heating, and Pressurizing Equipment29150064Engine Fuel System Components, Aircraft and Missile Prime Movers48100015Valves, Powered48200018Valves, Nonpowered65150057Medical and Surgical Instruments, Equipment, and Supplies

Part Alternates: 1305, 1305 ITEM 6, 1305 ITEM 6 4320-N, 1305 ITEM 6 4IN, 1305ITEM6, 1305ITEM64320N, 1305ITEM64IN, 1306, 1306 PC6-4.0IN, 1306PC640IN, 4320G, 4320-G, 4320N, 4320-N, 4320N183, 4320-N-183, 4320NP183, 4320-NP-183, 4620NP180, 4620-NP-180, 4820-01-174-4178, 01-174-4178, 4820011744178, 011744178

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 17 MAR 1984 01-174-4178

Drawings & Photos | NSN 4820-01-174-4178


Demand History | NSN 4820-01-174-4178

Part Number Request Date QTY Origin
4320-N-183 2026-04-99 13 DIBBS
4320-NP-183 2026-04-99 13 DIBBS
4320-N-183 2023-11-320 12 DIBBS
4320-NP-183 2023-11-320 12 DIBBS
4320-N-183 2023-03-72 7 DIBBS
4320-NP-183 2023-03-72 7 DIBBS
4320-N-183 2023-03-61 7 DIBBS
4320-NP-183 2023-03-61 7 DIBBS
4320-N-183 2023-01-17 15 DIBBS
4320-NP-183 2023-01-17 15 DIBBS
4320-N-183 2023-01-05 15 DIBBS
4320-NP-183 2023-01-05 15 DIBBS
4320-N-183 2021-05-123 5 DIBBS
4320-NP-183 2021-05-123 5 DIBBS
4320-N-183 2021-02-56 3 DIBBS
4320-NP-183 2021-02-56 3 DIBBS
4320-N-183 2020-11-307 5 DIBBS
4320-NP-183 2020-11-307 5 DIBBS
4320-N-183 2020-10-294 5 DIBBS
4320-NP-183 2020-10-294 5 DIBBS
4320-N-183 2020-04-107 3 DIBBS
4320-NP-183 2020-04-107 3 DIBBS
4820-01-174-4178 2014-02-51 3 DIBBS
4820-01-174-4178 2013-05-143 3 DIBBS
4820-01-174-4178 2013-05-128 3 DIBBS
4820-01-174-4178 2008-12-348 1 DIBBS
4820-01-174-4178 2008-12-342 1 DIBBS
4820-01-174-4178 2008-11-310 3 DIBBS
4820-01-174-4178 2008-11-310 2 DIBBS

Cross Reference | NSN 4820-01-174-4178

Part Number Cage Code Manufacturer
1305 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
1305 ITEM 6 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
1305 ITEM 6 4320-N 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
1305 ITEM 6 4IN 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
1306 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
1306 PC6-4.0IN 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
4320-G 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
4320-N 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
4320-N-183 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
4320-NP-183 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
4620-NP-180 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND

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Technical Data | NSN 4820-01-174-4178

Characteristic Specifications
MATERIAL NICKEL ALLOY
STYLE DESIGNATOR G21 SOLID WEDGE
OVERALL HEIGHT 4.625 INCHES NOMINAL
SEAT ANGLE 85.0 DEGREES NOMINAL
MEDIA FOR WHICH DESIGNED GAS OR OIL OR WATER
PRESSURE RATING 100.0 POUNDS PER SQUARE INCH NOMINAL
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 4820-01-174-4178

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 4820-01-174-4178

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