Product Details | PIPE TO BOSS STRAIGHT ADAPTER

4730-01-305-8999 An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. 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 pipe or pipe fitting to a boss or boss fitting in a straight line on items such as tanks, housing, valve fittings, or the like. See also ADAPTER BUSHING and COUPLING, PIPE.

Part Alternates: AN81625S, AN816-25S, AS4842/1, AS48421, AS5194, AS5194R2420, MILF5509, MIL-F-5509, 4730-01-305-8999, 01-305-8999, 4730013058999, 013058999

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

Supply Group (FSG) NSN Assign. NIIN
47 12 AUG 1989 01-305-8999

Demand History | NSN 4730-01-305-8999

Part Number Request Date QTY Origin
AS48421 2025-04-106 1 France
MILF5509 2018-07-201 6 United States
AS48421 2015-05-132 1 CA
MILF5509 2009-10-301 1 PK
MILF5509 2009-02-55 100 US

Cross Reference | NSN 4730-01-305-8999

Part Number Cage Code Manufacturer
AN816-25S 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS4842/1 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5194 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5194R2420 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MIL-F-5509 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 4730-01-305-8999

Characteristic Specifications
MATERIAL STEEL COMP 347 OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLE B67B PLAIN 1ST END B81 FLARED W/GASKET SEAL 2ND END
THREAD SERIES DESIGNATOR ANPT 1ST END UNJ 2ND END
NOMINAL THREAD SIZE 1.250 INCHES 1ST END 1.875 INCHES 2ND END
THREAD QUANTITY PER INCH 12 1ST END
THREAD CLASS 3A 2ND END
NOMINAL OVERALL LENGTH 2.547 INCHES
SPECIFICATION/STANDARD DATA 81343-AS4842/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 4730-01-305-8999

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 051420 CONDUITS,O/T EARTHEN:PIPE FITTINGS
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 736 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 4730-01-305-8999

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