Product Details | TUBE COUPLING NUT

4730-01-262-2522 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: AS10 DIN 3870, AS10DIN3870, 90128, 4730-01-262-2522, 01-262-2522, 4730012622522, 012622522

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

Supply Group (FSG) NSN Assign. NIIN
47 26 AUG 1987 01-262-2522

Drawings & Photos | NSN 4730-01-262-2522


Demand History | NSN 4730-01-262-2522

Part Number Request Date QTY Origin
90128 2025-11-306 1 DIBBS
4730-01-262-2522 2013-01-06 2 DIBBS

Cross Reference | NSN 4730-01-262-2522

Part Number Cage Code Manufacturer
90128 63779 BAUER-PILECO INC.
AS10 DIN 3870 63779 BAUER-PILECO INC.

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Technical Data | NSN 4730-01-262-2522

Characteristic Specifications
THREAD SERIES ISO M
NOMINAL THREAD SIZE 18.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS 1.50
THREAD TOLERANCE CLASS 6H INTERNAL
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
NUT STYLE A350 TUBE COUPLING
NUT HEIGHT 15.5 MILLIMETERS NOMINAL
WIDTH ACROSS FLATS 19.0 MILLIMETERS NOMINAL
LENGTH TO SHOULDER 11.5 MILLIMETERS NOMINAL
SMALLEST INSIDE DIAMETER 18.8 MILLIMETERS NOMINAL
SEAT ANGLE 45.0 DEGREES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER 19.0 MILLIMETERS

Restrictions/Controls & Freight Information | NSN 4730-01-262-2522

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.
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 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 V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4730-01-262-2522

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