Product Details | TUBE COUPLING NUT ASSEMBLY

4730-01-028-7976 An item consisting of an internally threaded nut and an integral floating washer designed to be used with a gasket seal to connect beaded or swaged ferruled thin wall tubing to a coupling body, boss connection, or the like to form a flexible or rigid leakproof connection.

Part Alternates: AS1713D56, GC550EH, GC550EH56A, 6355156A, 63551-56A, 4730-01-028-7976, 01-028-7976, 4730010287976, 010287976

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

Supply Group (FSG) NSN Assign. NIIN
47 10 OCT 1976 01-028-7976

Drawings & Photos | NSN 4730-01-028-7976


Cross Reference | NSN 4730-01-028-7976

Part Number Cage Code Manufacturer
63551-56A 79326 TRANSDIGM INC DBA ADEL WIGGINS GROUP- MILITARY
AS1713D56 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
GC550EH 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
GC550EH56A 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE

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Technical Data | NSN 4730-01-028-7976

Characteristic Specifications
MATERIAL ALUMINUM ALLOY
SURFACE TREATMENT ANODIZED, MIL-A-8625
STYLE DESIGNATOR U11 NUT ASSEMBLY
OVERALL LENGTH 0.701 INCHES NOMINAL
OUTSIDE DIAMETER 4.427 INCHES NOMINAL
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED 3.500 INCHES NOMINAL
THREAD SIZE 4.250-12
SCREW THREAD SERIES DESIGNATOR UN
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
WORKING PRESSURE AND SERVICE TYPE 125.0 POUNDS PER SQUARE INCH NOMINAL JET FUEL
WORKING TEMP AND SERVICE TYPE 65.0 DEG FAHRENHEIT MINIMUM JET FUEL AND 160.0 DEG FAHRENHEIT MAXIMUM JET FUEL
SPECIAL FEATURES FURNISHED WITH TWO WASHERS

Restrictions/Controls & Freight Information | NSN 4730-01-028-7976

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 051400 PIPE FITTINGS ALUMINUM
Less than car load rating
Less than truck load rating P 77.5
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 4730-01-028-7976

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 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