Product Details | TUBE COUPLING INVERTED NUT

4730-01-142-8181 An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.

Part Alternates: NAS5916H, NAS591-6H, 4730-01-142-8181, 01-142-8181, 4730011428181, 011428181

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

Supply Group (FSG) NSN Assign. NIIN
47 20 NOV 1982 01-142-8181

Drawings & Photos | NSN 4730-01-142-8181


Cross Reference | NSN 4730-01-142-8181

Part Number Cage Code Manufacturer
NAS591-6H 30974 AEROFIT, LLC
NAS591-6H 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 4730-01-142-8181

Characteristic Specifications
MATERIAL ALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T851
SURFACE TREATMENT ANODIZED, MIL-A-8625
STRENGTH RATING NOT RATED
CASEHARDENING INDICATOR NOT CASEHARDENED
MATERIAL HARDNESS RATING NOT RATED
FABRICATION METHOD BAR STOCK, MACHINED OR ROD STOCK, MACHINED
STYLE DESIGNATOR A1 INVERTED NUT, TUBE, FLARE
OVERALL LENGTH 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER 0.365 INCHES MINIMUM AND 0.383 INCHES MAXIMUM
SEAT ANGLE IN DEG 33.0
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED 0.375 INCHES NOMINAL
THREAD SIZE 9/16-18
SCREW THREAD SERIES DESIGNATOR UNJF
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
SPECIAL FEATURES W/THREE DRILLED SAFETY WIRE HOLES

Restrictions/Controls & Freight Information | NSN 4730-01-142-8181

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 013540 ALUM NUTS
Less than car load rating
Less than truck load rating Q 70.0
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 4730-01-142-8181

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
5
EA : Each