Product Details | TUBE COUPLING NUT

4730-00-278-5444 An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes NUT (1), TUBE COUPLING, REDUCING; and NUT (1), UNION.

Part Alternates: 811BT6D, 9100X6D, 4730-00-278-5444, 00-278-5444, 4730002785444, 002785444

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1963 00-278-5444

Drawings & Photos | NSN 4730-00-278-5444


Cross Reference | NSN 4730-00-278-5444

Part Number Cage Code Manufacturer
811BT6D 30780 PARKER-HANNIFIN CORPORATION DBA TUBE FITTINGS DIVISION
811BT6D 98441 PARKER-HANNIFIN CORPORATION DBA STRATOFLEX PRODUCTS DIVISION
9100X6D 01276 EATON-AEROQUIP INC DIV FLUID CONNECTORS PRODUCTS
9100X6D 79470 DANA CORP WEATHERHEAD DIV

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Technical Data | NSN 4730-00-278-5444

Characteristic Specifications
THREAD SERIES UNS
NOMINAL THREAD SIZE 0.562 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL ALUMINUM ALLOY OVERALL
NUT STYLE A351 TUBE COUPLING
NUT HEIGHT 0.594 INCHES NOMINAL
WIDTH ACROSS FLATS 0.688 INCHES NOMINAL
LENGTH TO SHOULDER 0.453 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 0.430 INCHES MINIMUM AND 0.436 INCHES MAXIMUM
FABRICATION METHOD ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER 0.375 INCHES

Restrictions/Controls & Freight Information | NSN 4730-00-278-5444

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: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 013540 ALUM NUTS
Less than car load rating
Less than truck load rating Q 70.0
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 4730-00-278-5444

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
H
EA : Each