PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1385830 2INCoupling,pipe

Naval Sea Systems Command · NSN 4730-00-554-7663 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-554-7663 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-554-7663. Primary manufacturer part number: 1385830 2IN.
Features
  • Coupling,pipe — FSC 4730
  • Nominal Thread Size: 1.000 INCHES FIRST END IN
  • Thread Series Designator: NPT FIRST END
  • Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS IN
  • Style Designator: PLAIN
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE END CONNECTION SIZE
  • Maximum Operating Temp: 65.6 CELSIUS SINGLE RESPONSE DEGC
  • Connection Type: THREADED INTERNAL PIPE FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Polyvinyl Chloride (pvc) Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-554-7663, 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 Naval Sea Systems Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-554-7663
Primary Part Number1385830 2IN
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Nominal Thread Size1.000 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
Nominal Pipe Size Accommodated2.000 INCHES ALL ENDS IN
Style DesignatorPLAIN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE END CONNECTION SIZE
Maximum Operating Temp65.6 CELSIUS SINGLE RESPONSE DEGC
Connection TypeTHREADED INTERNAL PIPE FIRST END
Media for Which DesignedWATER SINGLE RESPONSE
Operating Pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection StyleSOCKET (PIPE) SECOND END
Connection TypeUNTHREADED INTERNAL PIPE SECOND END
Nominal Overall Length2.875 INCHES IN
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 80 SECOND END
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
Connection StylePLAIN (PIPE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-144-495101013010 INTERCHANGEABLE
Tee,pipe
Nibco Inc Chemtrol Div
4730-00-239-3081 INTERCHANGEABLE
Elbow,pipe
4730-00-476-7155CLASS 23447 INTERCHANGEABLE
Elbow,pipe
American Society for Testing and Materials Dba Astm International
4730-00-541-60180041120-020 INTERCHANGEABLE
Elbow,pipe
Cleveland Service Center
4730-00-542-2941 INTERCHANGEABLE
Tee,pipe
4730-00-545-07840031120-030 INTERCHANGEABLE
Elbow,pipe
Cleveland Service Center
4730-00-554-7001 INTERCHANGEABLE
Tee,pipe
4730-00-554-7126 INTERCHANGEABLE
Coupling,pipe
4730-00-554-7129 INTERCHANGEABLE
Coupling,pipe
4730-00-554-7141 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
1385830 2IN Naval Sea Systems Command (USA)
1385830REVB Naval Ship Systems Command (USA)
1385830REVB 2IN Naval Ship Systems Command (USA)
1385830 Naval Sea Systems Command (USA)
ASTM D 1785 American Society for Testing and Materials Dba Astm International (USA)
MIL-P-22011 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1385830 Naval Ship Systems Command (USA)
Related Parts
4730-00-144-4951INTERCHANGEABLE
TEE,PIPE
01013010
4730-00-239-3081INTERCHANGEABLE
ELBOW,PIPE
4730-00-476-7155INTERCHANGEABLE
ELBOW,PIPE
CLASS 23447
4730-00-541-6018INTERCHANGEABLE
ELBOW,PIPE
0041120-020
4730-00-542-2941INTERCHANGEABLE
TEE,PIPE
4730-00-545-0784INTERCHANGEABLE
ELBOW,PIPE
0031120-030
4730-00-554-7001INTERCHANGEABLE
TEE,PIPE
4730-00-554-7126INTERCHANGEABLE
COUPLING,PIPE
4730-00-554-7129INTERCHANGEABLE
COUPLING,PIPE
4730-00-554-7141INTERCHANGEABLE
ELBOW,PIPE
4730-00-554-7143INTERCHANGEABLE
ELBOW,PIPE
4730-00-554-7144INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4730-00-554-7663?

NSN 4730-00-554-7663 is a Coupling,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-554-7663?

NSN 4730-00-554-7663 has 7 cross-referenced part numbers: 1385830 2IN (Naval Sea Systems Command), 1385830REVB (Naval Ship Systems Command), 1385830REVB 2IN (Naval Ship Systems Command), 1385830 (Naval Sea Systems Command), ASTM D 1785 (American Society for Testing and Materials Dba Astm International) and 2 more.

What NSN replaces 4730-00-554-7663?

There are 12 known substitutes for 4730-00-554-7663: 4730-00-144-4951, 4730-00-239-3081, 4730-00-476-7155 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1385830 2IN?

Key specifications for 1385830 2IN: Nominal Thread Size: 1.000 INCHES FIRST END IN; Thread Series Designator: NPT FIRST END; Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS IN; Style Designator: PLAIN. 15 total characteristics are documented in the Federal Logistics Information System.

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