PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1181-201PCG3Adapter,straight,pipe to Tube

Portsmouth Naval Shipyard · NSN 4730-00-469-0441 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-469-0441 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-469-0441. Primary manufacturer part number: 1181-201PCG3.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Furnished Items and Quantity: 1 INVERTED NUT
  • Thread Class: 3B FIRST END
  • Material: COPPER ALLOY OVERALL
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Nominal Thread Size: 0.250 INCHES SECOND END IN
  • Thread Series Designator: NPT SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-469-0441, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Portsmouth Naval Shipyard. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 39 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-469-0441
Primary Part Number1181-201PCG3
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPortsmouth Naval Shipyard
StatusCANCELLED
Furnished Items and Quantity1 INVERTED NUT
Thread Class3B FIRST END
MaterialCOPPER ALLOY OVERALL
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Thread Size0.250 INCHES SECOND END IN
Thread Series DesignatorNPT SECOND END
Connection StylePLAIN (PIPE) SECOND END
Thread Quantity Per Inch20 FIRST END
Connection StyleINVERTED FLARE (TUBE) FIRST END
Nominal Overall Length1.344 INCHES IN
Nominal Thread Size0.625 INCHES FIRST END IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Seat Angle30.0 DEGREES FIRST END
Thread Series DesignatorUNS FIRST END
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-052-6900 INTERCHANGEABLE
Washer,flat
5940-00-079-5760 INTERCHANGEABLE
Terminal,stud
5975-00-179-0095 INTERCHANGEABLE
Coupling,electrical Conduit
5940-00-269-7983162A375-2 INTERCHANGEABLE
Terminal,stud
New London Instrument Co
6515-00-321-7500236761 INTERCHANGEABLE
Curette,adenoid
Codman & Shurtleff Inc
5940-00-552-5111 INTERCHANGEABLE
Terminal,stud
6130-00-568-5855 INTERCHANGEABLE
Rectifier,metallic
5950-00-695-205920343 INTERCHANGEABLE
Transformer
Freed Transformer Co
4720-00-770-210620343 INTERCHANGEABLE
Hose,preformed
Gates Corporation
1650-01-219-570120343 INTERCHANGEABLE
Piston,hydraulic Motor-Pump
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
1181-201PCG3 PRIMARY Portsmouth Naval Shipyard (USA)
1182-382PCL3 PRIMARY Portsmouth Naval Shipyard (USA)
312-4504-981809PC4 PRIMARY Naval Sea Systems Command (USA)
544639PCL3 PRIMARY Naval Sea Systems Command (USA)
312-4504-981810PC11 Naval Ship Systems Command (USA)
547M4804PCM3 Cramp Shipbuilding and Drydock Co (USA)
1182-201PCN3 PRIMARY Portsmouth Naval Shipyard (USA)
150-405GPC802 Hardie-Tynes Co., Inc. (USA)
386917PCM3 PRIMARY Naval Sea Systems Command (USA)
390002PC343 Naval Ship Systems Command (USA)
533824PC802 PRIMARY Naval Sea Systems Command (USA)
386917PCM3 Naval Ship Systems Command (USA)
544599PCH3 PRIMARY Naval Sea Systems Command (USA)
312-4504-981810PC11 PRIMARY Naval Sea Systems Command (USA)
SL4272-85 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
1181-308PCH3 PRIMARY Portsmouth Naval Shipyard (USA)
312669PCN3 Naval Ship Systems Command (USA)
390002PC343 PRIMARY Naval Sea Systems Command (USA)
6FBXX Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
544599PCH3 Naval Ship Systems Command (USA)
Related Parts
5310-00-052-6900INTERCHANGEABLE
WASHER,FLAT
5940-00-079-5760INTERCHANGEABLE
TERMINAL,STUD
5975-00-179-0095INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
5940-00-269-7983INTERCHANGEABLE
TERMINAL,STUD
162A375-2
6515-00-321-7500INTERCHANGEABLE
CURETTE,ADENOID
236761
5940-00-552-5111INTERCHANGEABLE
TERMINAL,STUD
6130-00-568-5855INTERCHANGEABLE
RECTIFIER,METALLIC
5950-00-695-2059INTERCHANGEABLE
TRANSFORMER
20343
4720-00-770-2106INTERCHANGEABLE
HOSE,PREFORMED
20343
1650-01-219-5701INTERCHANGEABLE
PISTON,HYDRAULIC MOTOR-PUMP
20343
5670-01-225-2703INTERCHANGEABLE
MOLDING,METAL
5930-01-329-7818INTERCHANGEABLE
SWITCH ASSEMBLY
740559-103

Frequently Asked Questions

What is NSN 4730-00-469-0441?

NSN 4730-00-469-0441 is a Adapter,straight,pipe to Tube, manufactured by Portsmouth Naval Shipyard, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-469-0441?

NSN 4730-00-469-0441 has 39 cross-referenced part numbers: 1181-201PCG3 (Portsmouth Naval Shipyard), 1182-382PCL3 (Portsmouth Naval Shipyard), 312-4504-981809PC4 (Naval Sea Systems Command), 544639PCL3 (Naval Sea Systems Command), 312-4504-981810PC11 (Naval Ship Systems Command) and 34 more.

What NSN replaces 4730-00-469-0441?

There are 12 known substitutes for 4730-00-469-0441: 5310-00-052-6900, 5940-00-079-5760, 5975-00-179-0095 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1181-201PCG3?

Key specifications for 1181-201PCG3: Furnished Items and Quantity: 1 INVERTED NUT; Thread Class: 3B FIRST END; Material: COPPER ALLOY OVERALL; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-469-0441 still in active supply?

NSN 4730-00-469-0441 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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