Product Details | TUBE REDUCER

4730-01-555-8216 A straight tube fitting having a different size connection on each end. It is designed to join two tubes of different sizes. Excludes BUSHING (as modified).

Part Alternates: H867126SS, H867-12-6-SS, 02317422000, 023-17422-000, 377-15981-000 ITEM 26, 37715981000ITEM26, 4730-01-555-8216, 01-555-8216, 4730015558216, 015558216

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 14 SEP 2007 01-555-8216

Demand History | NSN 4730-01-555-8216

Part Number Request Date QTY Origin
023-17422-000 2025-09-272 114 DIBBS
H867-12-6-SS 2025-09-272 114 DIBBS
023-17422-000 2025-09-261 114 DIBBS
H867-12-6-SS 2025-09-261 114 DIBBS
023-17422-000 2025-07-199 89 DIBBS
H867-12-6-SS 2025-07-199 89 DIBBS
023-17422-000 2025-06-170 89 DIBBS
H867-12-6-SS 2025-06-170 89 DIBBS
4730-01-555-8216 2016-08-231 63 DIBBS
4730-01-555-8216 2016-08-220 63 DIBBS

Cross Reference | NSN 4730-01-555-8216

Part Number Cage Code Manufacturer
023-17422-000 66935 YORK INTERNATIONAL CORPORATION DBA JOHNSON CONTROLS
377-15981-000 ITEM 26 66935 YORK INTERNATIONAL CORPORATION DBA JOHNSON CONTROLS
H867-12-6-SS 99565 ADMIRAL VALVE, LLC DBA CPV MANUFACTURING

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Technical Data | NSN 4730-01-555-8216

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
CONNECTION TYPE UNTHREADED INTERNAL TUBE 1ST END UNTHREADED EXTERNAL TUBE 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES 1ST END 0.750 INCHES 2ND END
NOMINAL OVERALL LENGTH 0.875 INCHES
REDUCER TYPE CONCENTRIC
SPECIAL FEATURES MILITARY CRITICAL, EXPORT CONTROL; 316L STAINLESS STEEL; SOCKET WELD CONNECTIONS
CRITICALITY CODE JUSTIFICATION FEAT
III END ITEM IDENTIFICATION MARINEPAK, 300 TON DUPLEX
III PART NAME ASSIGNED BY CONTROLLING AGENCY REDUCING INSERTS

Restrictions/Controls & Freight Information | NSN 4730-01-555-8216

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) 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 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4730-01-555-8216

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each