Product Details | TUBE TO BOSS STRAIGHT ADAPTER

4730-01-031-8312 An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also COUPLING, TUBE and NIPPLE, TUBE.

Part Alternates: 2505820, 4730-01-031-8312, 01-031-8312, 4730010318312, 010318312

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

Supply Group (FSG) NSN Assign. NIIN
47 02 DEC 1976 01-031-8312

Demand History | NSN 4730-01-031-8312

Part Number Request Date QTY Origin
4730-01-031-8312 2020-06-181 84 DIBBS
4730-01-031-8312 2020-06-170 84 DIBBS
4730-01-031-8312 2019-10-287 104 DIBBS
4730-01-031-8312 2015-09-265 10 DIBBS
4730-01-031-8312 2014-06-172 30 DIBBS

Cross Reference | NSN 4730-01-031-8312

Part Number Cage Code Manufacturer
2505820 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 4730-01-031-8312

Characteristic Specifications
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QA-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID SINGLE RESPONSE
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLE B66 FLARELESS 1ST END B71 EXTERNAL SEAT FOR GASKET SEAL 2ND END
SEAT ANGLE 12.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.562 INCHES ALL ENDS
THREAD CLASS 2A ALL ENDS
NOMINAL OVERALL LENGTH 1.210 INCHES
SPECIAL FEATURES MODIFIED FROM MS51843-25; 0.386 IN. DIA BORE

Restrictions/Controls & Freight Information | NSN 4730-01-031-8312

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 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4730-01-031-8312

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each