Product Details | FLANGE TO BOSS STRAIGHT ADAPTER

4730-01-251-6175 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: 12349879, 4730-01-251-6175, 01-251-6175, 4730012516175, 012516175

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

Supply Group (FSG) NSN Assign. NIIN
47 21 MAR 1987 01-251-6175

Demand History | NSN 4730-01-251-6175

Part Number Request Date QTY Origin
12349879 2016-01-22 20 TR
4730-01-251-6175 2016-01-22 20 MANUAL
4730-01-251-6175 2008-07-210 30 us

Cross Reference | NSN 4730-01-251-6175

Part Number Cage Code Manufacturer
12349879 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12349879 81795 ALLIANZ SWEEPER COMPANY

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Technical Data | NSN 4730-01-251-6175

Characteristic Specifications
MATERIAL ALUMINUM ALLOY OVERALL
CONNECTION TYPE FLANGE 1ST END THREADED INTERNAL BOSS 2ND END THREADED INTERNAL PIPE INLET
CONNECTION STYLE B9 GASKET SEAL 2ND END B14A PLAIN INLET
FLANGE SHAPE RECTANGULAR WITH HOLES 1ST END
NOMINAL THICKNESS 0.750 INCHES 1ST END
NOMINAL LENGTH 3.000 INCHES 1ST END
NOMINAL WIDTH 2.000 INCHES 1ST END
BOLT HOLE QUANTITY 4 1ST END
BOLT HOLE NOMINAL DIAMETER 0.423 INCHES 1ST END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH 2.062 INCHES 1ST END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH 1.031 INCHES 1ST END
FLANGE FACE DESIGN PLAIN 1ST END
THREAD SERIES DESIGNATOR UN 2ND END NPTF INLET
NOMINAL THREAD SIZE 1.062 INCHES 2ND END 0.250 INCHES INLET
THREAD QUANTITY PER INCH 12 2ND END
THREAD CLASS 2B 2ND END
NOMINAL OVERALL LENGTH 3.000 INCHES

Restrictions/Controls & Freight Information | NSN 4730-01-251-6175

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 051400 PIPE FITTINGS ALUMINUM
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 576 unknown
Originating Activity Code AH Defense Supply Center Columbus
Columbus, OH 43215
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