Product Details | TUBE TO BOSS STRAIGHT ADAPTER

4730-01-031-8311 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: 2509104, 2510154, 4730-01-031-8311, 01-031-8311, 4730010318311, 010318311

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

Supply Group (FSG) NSN Assign. NIIN
47 02 DEC 1976 01-031-8311

Demand History | NSN 4730-01-031-8311

Part Number Request Date QTY Origin
4730-01-031-8311 2020-08-219 207 DIBBS
4730-01-031-8311 2020-05-125 141 DIBBS
4730-01-031-8311 2019-04-108 271 DIBBS
4730-01-031-8311 2018-11-331 271 DIBBS
4730-01-031-8311 2016-02-52 181 DIBBS
4730-01-031-8311 2016-01-18 152 DIBBS
4730-01-031-8311 2015-08-214 213 DIBBS
4730-01-031-8311 2013-03-73 903 DIBBS
4730-01-031-8311 2010-02-53 479 DIBBS
4730-01-031-8311 2010-01-19 99 DIBBS
4730-01-031-8311 2009-05-121 130 DIBBS

Cross Reference | NSN 4730-01-031-8311

Part Number Cage Code Manufacturer
2509104 53711 NAVAL SEA SYSTEMS COMMAND
2510154 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
2510154 30327 IMPERIAL

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Technical Data | NSN 4730-01-031-8311

Characteristic Specifications
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OR ZINC OVERALL
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLE B67A PLAIN 1ST END B71A EXTERNAL SEAT FOR GASKET SEAL 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.125 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.313 INCHES ALL ENDS
THREAD CLASS 2A ALL ENDS
NOMINAL OVERALL LENGTH 0.990 INCHES
FURNISHED ITEMS AND QUANTITY 1 PREFORMED PACKING

Restrictions/Controls & Freight Information | NSN 4730-01-031-8311

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 4730-01-031-8311

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