Product Details | FLANGE TO BOSS STRAIGHT ADAPTER

4730-01-031-2839 An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. 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 flange or flange fitting to boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like.

Part Alternates: C156SKDD96310, C156SKDD963-10, 115654001PC34, 525-141-142, 4730-01-031-2839, 01-031-2839, 4730010312839, 010312839, 525141142

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

Supply Group (FSG) NSN Assign. NIIN
47 20 NOV 1976 01-031-2839

Demand History | NSN 4730-01-031-2839

Part Number Request Date QTY Origin
525-141-142 2024-11-308 14 DIBBS
C156SKDD963-10 2024-11-308 14 DIBBS
525-141-142 2024-09-256 9 DIBBS
C156SKDD963-10 2024-09-256 9 DIBBS
525-141-142 2024-02-39 14 DIBBS
C156SKDD963-10 2024-02-39 14 DIBBS
525-141-142 2023-08-229 8 DIBBS
C156SKDD963-10 2023-08-229 8 DIBBS
525-141-142 2023-04-99 6 DIBBS
C156SKDD963-10 2023-04-99 6 DIBBS
525-141-142 2022-11-317 15 DIBBS
C156SKDD963-10 2022-11-317 15 DIBBS
525-141-142 2022-09-254 8 DIBBS
C156SKDD963-10 2022-09-254 8 DIBBS
C156SKDD963-10 2022-03-81 15 DIBBS
C156SKDD963-10 2022-03-80 6 DIBBS
C156SKDD963-10 2022-03-69 6 DIBBS
C156SKDD963-10 2022-01-19 13 DIBBS
C156SKDD963-10 2022-01-18 4 DIBBS
C156SKDD963-10 2022-01-06 4 DIBBS
C156SKDD963-10 2021-10-280 9 DIBBS
C156SKDD963-10 2021-09-269 9 DIBBS
C156SKDD963-10 2021-04-98 9 DIBBS
525-141-142 2020-10-282 13 DIBBS
C156SKDD963-10 2020-10-282 13 DIBBS
525-141-142 2019-12-335 11 DIBBS
C156SKDD963-10 2019-12-335 11 DIBBS
525-141-142 2019-09-262 14 DIBBS
C156SKDD963-10 2019-09-262 14 DIBBS
525-141-142 2019-06-169 8 DIBBS
C156SKDD963-10 2019-06-169 8 DIBBS
525-141-142 2019-02-45 6 DIBBS
C156SKDD963-10 2019-02-45 6 DIBBS
4730-01-031-2839 2018-09-270 7 DIBBS
4730-01-031-2839 2018-05-151 10 DIBBS
4730-01-031-2839 2018-04-95 7 DIBBS
4730-01-031-2839 2018-02-32 7 DIBBS
4730-01-031-2839 2017-03-89 8 DIBBS
4730-01-031-2839 2016-10-293 7 DIBBS
4730-01-031-2839 2016-09-258 8 DIBBS
4730-01-031-2839 2015-11-306 17 DIBBS
4730-01-031-2839 2015-09-263 6 DIBBS
4730-01-031-2839 2015-02-50 8 DIBBS
4730-01-031-2839 2015-02-39 8 DIBBS
4730-01-031-2839 2014-11-328 7 DIBBS
4730-01-031-2839 2014-11-315 7 DIBBS
4730-01-031-2839 2014-07-188 6 DIBBS
4730-01-031-2839 2014-06-175 6 DIBBS
4730-01-031-2839 2014-03-65 14 DIBBS
4730-01-031-2839 2012-11-334 14 DIBBS
4730-01-031-2839 2012-06-172 7 DIBBS
4730-01-031-2839 2012-02-39 7 DIBBS
4730-01-031-2839 2011-11-326 6 DIBBS
4730-01-031-2839 2011-07-211 7 DIBBS
4730-01-031-2839 2011-05-122 4 DIBBS
4730-01-031-2839 2010-12-337 9 DIBBS
4730-01-031-2839 2010-03-71 3 DIBBS
4730-01-031-2839 2010-02-36 3 DIBBS
4730-01-031-2839 2009-11-316 5 DIBBS
4730-01-031-2839 2009-10-299 4 DIBBS

Cross Reference | NSN 4730-01-031-2839

Part Number Cage Code Manufacturer
115654001PC34 07309 ROLLS-ROYCE MARINE NORTH AMERICA INC.
525-141-142 85181 DEUBLIN COMPANY DBA DEUBLIN COMPANY
C156SKDD963-10 07309 ROLLS-ROYCE MARINE NORTH AMERICA INC.

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Technical Data | NSN 4730-01-031-2839

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
CONNECTION TYPE FLANGE 1ST END THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLE B71 EXTERNAL SEAT FOR GASKET SEAL 2ND END
FLANGE SHAPE ROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER 0.500 INCHES 1ST END
NOMINAL THICKNESS 0.437 INCHES 1ST END
BOLT HOLE QUANTITY 6 1ST END
BOLT HOLE NOMINAL DIAMETER 0.562 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER 3.938 INCHES 1ST END
FLANGE FACE DESIGN PLAIN 1ST END
THREAD SERIES DESIGNATOR UNF 2ND END
NOMINAL THREAD SIZE 1.875 INCHES 2ND END
THREAD CLASS 2A 2ND END
NOMINAL OVERALL LENGTH 6.219 INCHES

Restrictions/Controls & Freight Information | NSN 4730-01-031-2839

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:AItem does not contain precious metal
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 052185 PIPE,TUBING,OR PIPE OR TUBING FIT
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 4730-01-031-2839

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each