Product Details | TUBE CROSS

4730-00-256-2307 A fitting having four branches in the same plane whose axes form right angles. The connections have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or are unthreaded and designed to accommodate a tube. It is designed to be used as a junction at the intersection of tubing and/or tube fittings. It may have side inlet(s).

Part Alternates: AN82724D, AN827-24D, AS4841, MILF5509, MIL-F-5509, 4730-00-256-2307, 00-256-2307, 4730002562307, 002562307

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1963 00-256-2307

Demand History | NSN 4730-00-256-2307

Part Number Request Date QTY Origin
AS4841 2025-04-106 1 France
MILF5509 2018-07-201 6 United States
AS4841 2011-03-69 8
MILF5509 2009-10-301 1 PK
MILF5509 2009-02-55 100 US

Cross Reference | NSN 4730-00-256-2307

Part Number Cage Code Manufacturer
AN827-24D 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS4841 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MIL-F-5509 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 4730-00-256-2307

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6,TEMPER T6 OR T851 FED SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TY 2,CL 2,LIGHT BLUE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID 1ST RESPONSE OXYGEN, GASEOUS 2ND RESPONSE
MAXIMUM OPERATING PRESSURE 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 225.0 DEG FAHRENHEIT 1ST RESPONSE -65.0 DEG FAHRENHEIT 2ND RESPONSE
CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CONNECTION STYLE B64 FLARED ALL ENDS
SEAT ANGLE 37.0 DEGREES ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 1.500 INCHES ALL ENDS
THREAD SERIES DESIGNATOR UNJ ALL ENDS
NOMINAL THREAD SIZE 1.875 INCHES ALL ENDS
THREAD QUANTITY PER INCH 12 ALL ENDS
THREAD CLASS 3A ALL ENDS
LEG LENGTH 2.297 INCHES MINIMUM AND 2.328 INCHES MAXIMUM 1ST END 2.297 INCHES MINIMUM AND 2.328 INCHES MAXIMUM 2ND END 2.297 INCHES NOMINAL 3RD END 2.297 INCHES NOMINAL 4TH END
SPECIFICATION/STANDARD DATA 88044-AN827 GOVERNMENT STANDARD AND 81343-AS4841 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN827-24D

Restrictions/Controls & Freight Information | NSN 4730-00-256-2307

Category Code Description
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.
Precious Metals Indicator Code:UPrecious metal type is unknown
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 051400 PIPE FITTINGS ALUMINUM
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 576 unknown
Originating Activity Code XX
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 4730-00-256-2307

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each