Product Details | TUBE COUPLING NUT

4730-00-922-8381 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: NAS59310, NAS593-10, 4730-00-922-8381, 00-922-8381, 4730009228381, 009228381

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

Supply Group (FSG) NSN Assign. NIIN
47 24 JAN 1966 00-922-8381

Drawings & Photos | NSN 4730-00-922-8381


Demand History | NSN 4730-00-922-8381

Part Number Request Date QTY Origin
4730-00-922-8381 2025-07-210 20 US
4730-00-922-8381 2025-02-50 4 United States
NAS59310 2025-02-45 64 United States
4730-00-922-8381 2025-01-29 63 United States
4730-00-922-8381 2024-01-22 60 United States
NAS59310 2008-08-224 1 MX

Cross Reference | NSN 4730-00-922-8381

Part Number Cage Code Manufacturer
NAS593-10 30974 AEROFIT, LLC
NAS593-10 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 4730-00-922-8381

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.875 INCHES
THREAD QUANTITY PER INCH 14
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL ALUMINUM ALLOY OVERALL
SURFACE TREATMENT ANODIZE OVERALL
NUT STYLE A352 TUBE COUPLING
NUT HEIGHT 1.120 INCHES NOMINAL
WIDTH ACROSS FLATS 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM
LENGTH TO SHOULDER 0.630 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 0.632 INCHES NOMINAL
SEAT ANGLE 33.00 DEGREES NOMINAL
FABRICATION METHOD ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER 0.625 INCHES

Restrictions/Controls & Freight Information | NSN 4730-00-922-8381

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 104390 BARS, RODS OR WIRE, WELDING
Less than car load rating U 50
Less than truck load rating W Rating Variable
Water commodity Code 746 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 4730-00-922-8381

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