Product Details | TUBE COUPLING NUT

4730-00-139-3951 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: NA1132, 4730-00-139-3951, 00-139-3951, 4730001393951, 001393951

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

Supply Group (FSG) NSN Assign. NIIN
47 18 AUG 1971 00-139-3951

Drawings & Photos | NSN 4730-00-139-3951


Demand History | NSN 4730-00-139-3951

Part Number Request Date QTY Origin
4730-00-139-3951 2016-02-54 16 DIBBS
4730-00-139-3951 2010-10-280 6 DIBBS
4730-00-139-3951 2009-03-90 2 DIBBS

Cross Reference | NSN 4730-00-139-3951

Part Number Cage Code Manufacturer
NA1132 83130 BUFFALO PUMPS, INC. DIV BUFFALO PUMPS DIV

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Technical Data | NSN 4730-00-139-3951

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL COPPER ALLOY AND NICKEL ALLOY OVERALL
NUT STYLE A355 TUBE COUPLING
NUT HEIGHT 0.812 INCHES NOMINAL
LARGEST OUTSIDE DIAMETER 0.870 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.562 INCHES NOMINAL
LENGTH TO SHOULDER 0.562 INCHES NOMINAL
SMALLEST INSIDE DIAMETER ANY ACCEPTABLE
SEAT ANGLE 30.0 DEGREES NOMINAL
FABRICATION METHOD ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER 0.188 INCHES

Restrictions/Controls & Freight Information | NSN 4730-00-139-3951

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 093460 BOLTS/NUTS NOI BBC/ZINC
Less than car load rating
Less than truck load rating Q 70.0
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 4730-00-139-3951

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each