Product Details | TUBE COUPLING NUT

4730-00-618-7523 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: NAS59320, NAS593-20, 4730-00-618-7523, 00-618-7523, 4730006187523, 006187523

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1961 00-618-7523

Drawings & Photos | NSN 4730-00-618-7523


Demand History | NSN 4730-00-618-7523

Part Number Request Date QTY Origin
NAS59320 2009-10-294 2 US

Cross Reference | NSN 4730-00-618-7523

Part Number Cage Code Manufacturer
NAS593-20 30974 AEROFIT, LLC
NAS593-20 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 4730-00-618-7523

Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE 1.625 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL ALUMINUM ALLOY OVERALL
SURFACE TREATMENT ANODIZE OVERALL
NUT STYLE A352 TUBE COUPLING
NUT HEIGHT 1.190 INCHES NOMINAL
WIDTH ACROSS FLATS 1.750 INCHES NOMINAL
LENGTH TO SHOULDER 0.687 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 1.255 INCHES NOMINAL
SEAT ANGLE 33.00 DEGREES NOMINAL
FABRICATION METHOD ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER 1.250 INCHES

Restrictions/Controls & Freight Information | NSN 4730-00-618-7523

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 013540 ALUM NUTS
Less than car load rating Q 70
Less than truck load rating Q 70.0
Water commodity Code 713 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