Product Details | TUBE COUPLING NUT

4730-00-203-4712 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: 227430, 4730-00-203-4712, 00-203-4712, 4730002034712, 002034712

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1963 00-203-4712

Drawings & Photos | NSN 4730-00-203-4712


Cross Reference | NSN 4730-00-203-4712

Part Number Cage Code Manufacturer
227430 00405 ALLIANT TECHSYSTEMS INC
227430 03788 PRODUCTION SERVICES CORP THE
227430 0MVU3 ALLIANT TECHSYSTEMS INC. DBA ATK
227430 11449 TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
227430 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 4730-00-203-4712

Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE 1.375 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 4120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT STYLE A350 TUBE COUPLING
NUT HEIGHT 1.250 INCHES NOMINAL
WIDTH ACROSS FLATS 1.625 INCHES NOMINAL
LENGTH TO SHOULDER 1.040 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 1.048 INCHES NOMINAL
SEAT ANGLE 45.00 DEGREES NOMINAL
FABRICATION METHOD ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER 0.875 INCHES
MANUFACTURERS CODE 77445
DESIGN CONTROL REFERENCE 227430

Restrictions/Controls & Freight Information | NSN 4730-00-203-4712

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
No Freight Information

Management | NSN 4730-00-203-4712

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each