PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401461PC20Adapter,straight,pipe to Tube

Johnson Controls Navy Systems, Llc · NSN 4730-00-289-4172 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-289-4172 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-289-4172. Primary manufacturer part number: 401461PC20.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Overall Length: 1.676 INCHES IN
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Tubing Wall Nominal Thickness for Which Designed: 0.045 INCHES FIRST END IN
  • Nominal Thread Size: 2.000 INCHES SECOND END IN
  • Thread Series Designator: NPT SECOND END
  • Connection Style: PLAIN (TUBE) FIRST END
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST 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 4730-00-289-4172, 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 Johnson Controls Navy Systems, Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-289-4172
Primary Part Number401461PC20
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerJohnson Controls Navy Systems, Llc
StatusCANCELLED
Nominal Overall Length1.676 INCHES IN
Connection TypeTHREADED INTERNAL PIPE SECOND END
Tubing Wall Nominal Thickness for Which Designed0.045 INCHES FIRST END IN
Nominal Thread Size2.000 INCHES SECOND END IN
Thread Series DesignatorNPT SECOND END
Connection StylePLAIN (TUBE) FIRST END
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Connection StylePLAIN (PIPE) SECOND END
Nondefinitive Spec/std DataI TYPE
MaterialCOPPER ALLOY OVERALL
Nominal Outside Diameter Tube Accommodated2.000 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4730-00-289-1269 INTERCHANGEABLE
Elbow,tube
4730-00-289-1271 INTERCHANGEABLE
Elbow,tube
4730-00-289-1272 INTERCHANGEABLE
Elbow,tube
4730-00-289-4844W1023 INTERCHANGEABLE
Reducer,tube
Mueller Brass Co.
4330-00-797-0867 INTERCHANGEABLE
Spring Helical Comp
4730-01-024-8571 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-01-024-8585 INTERCHANGEABLE
Coupling,pipe
4730-01-027-0961 INTERCHANGEABLE
Coupling,pipe
4730-01-028-5412 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
401461PC20 PRIMARY Johnson Controls Navy Systems, Llc (USA)
DDE445S5902-665736PC38 Naval Ship Systems Command (USA)
603-2 Nibco Inc (USA)
W-1546 PRIMARY Mueller Brass Co. (USA)
51400S59-891PC20 Naval Ship Systems Command (USA)
ASAB16-22 Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc (USA)
487024PC38 PRIMARY Johnson Controls Navy Systems, Llc (USA)
WWT725 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
W1546WC405 PRIMARY Mueller Brass Co. (USA)
190519PC20 PRIMARY Johnson Controls Navy Systems, Llc (USA)
B16-22 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
4730-00-289-1269INTERCHANGEABLE
ELBOW,TUBE
4730-00-289-1271INTERCHANGEABLE
ELBOW,TUBE
4730-00-289-1272INTERCHANGEABLE
ELBOW,TUBE
4730-00-289-4844INTERCHANGEABLE
REDUCER,TUBE
W1023
4330-00-797-0867INTERCHANGEABLE
SPRING HELICAL COMP
4730-01-024-8571INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-01-024-8585INTERCHANGEABLE
COUPLING,PIPE
4730-01-027-0961INTERCHANGEABLE
COUPLING,PIPE
4730-01-028-5412INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4730-00-289-4172?

NSN 4730-00-289-4172 is a Adapter,straight,pipe to Tube, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-289-4172?

NSN 4730-00-289-4172 has 11 cross-referenced part numbers: 401461PC20 (Johnson Controls Navy Systems, Llc), DDE445S5902-665736PC38 (Naval Ship Systems Command), 603-2 (Nibco Inc), W-1546 (Mueller Brass Co.), 51400S59-891PC20 (Naval Ship Systems Command) and 6 more.

What NSN replaces 4730-00-289-4172?

There are 9 known substitutes for 4730-00-289-4172: 4730-00-289-1269, 4730-00-289-1271, 4730-00-289-1272 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 401461PC20?

Key specifications for 401461PC20: Nominal Overall Length: 1.676 INCHES IN; Connection Type: THREADED INTERNAL PIPE SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.045 INCHES FIRST END IN; Nominal Thread Size: 2.000 INCHES SECOND END IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-289-4172 still in active supply?

NSN 4730-00-289-4172 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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