Product Details | TUBE COUPLING NUT

4730-00-825-2091 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: MS219218C, MS21921-8C, 4730-00-825-2091, 00-825-2091, 4730008252091, 008252091

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1962 00-825-2091

Drawings & Photos | NSN 4730-00-825-2091


Demand History | NSN 4730-00-825-2091

Part Number Request Date QTY Origin
4730-00-825-2091 2008-09-249 3 US

Cross Reference | NSN 4730-00-825-2091

Part Number Cage Code Manufacturer
MS21921-8C 14798 DESIGNED METAL CONNECTIONS, INC. DBA PERMASWAGE
MS21921-8C 71563 COLLINS ENGINEERING CORP
MS21921-8C 79470 DANA CORP WEATHERHEAD DIV
MS21921-8C 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 4730-00-825-2091

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.750 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
NUT STYLE A350 TUBE COUPLING
NUT HEIGHT 0.850 INCHES MINIMUM AND 0.870 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.875 INCHES NOMINAL
LENGTH TO SHOULDER 0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER 0.552 INCHES MINIMUM AND 0.557 INCHES MAXIMUM
SEAT ANGLE 45.00 DEGREES NOMINAL
FABRICATION METHOD ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER 0.500 INCHES
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS21921-8C

Restrictions/Controls & Freight Information | NSN 4730-00-825-2091

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 4730-00-825-2091

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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each