PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W1232Adapter,straight,pipe to Tube

Mueller Brass Co. · NSN 4730-00-266-1815 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-266-1815 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-266-1815. Primary manufacturer part number: W1232.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Connection Type: THREADED INTERNAL PIPE SECOND END
  • Tubing Wall Nominal Thickness for Which Designed: 0.035 INCHES FIRST END IN
  • Connection Style: PLAIN (PIPE) SECOND END
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Material: COPPER OVERALL
  • Thread Series Designator: NPT SECOND END
  • Nominal Thread Size: 0.375 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-266-1815, 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 Mueller Brass Co.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-266-1815
Primary Part NumberW1232
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMueller Brass Co.
StatusCANCELLED
Connection TypeTHREADED INTERNAL PIPE SECOND END
Tubing Wall Nominal Thickness for Which Designed0.035 INCHES FIRST END IN
Connection StylePLAIN (PIPE) SECOND END
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
MaterialCOPPER OVERALL
Thread Series DesignatorNPT SECOND END
Nominal Thread Size0.375 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.625 INCHES FIRST END IN
Nominal Pipe Size Accommodated0.375 INCHES SECOND END IN
Connection StyleSOCKET (TUBE) FIRST END
Nominal Overall Length1.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5310-01-019-28051050192 INTERCHANGEABLE
Washer,special
Todd Combustion Inc
Cross-Reference Index
Part NumberManufacturer
603 Nibco Inc (USA)
B16.22 Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc (USA)
B16.22 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
W1232 PRIMARY Mueller Brass Co. (USA)
B16.22 Mindeco Corp (USA)
Related Parts
5310-01-019-2805INTERCHANGEABLE
WASHER,SPECIAL
1050192

Frequently Asked Questions

What is NSN 4730-00-266-1815?

NSN 4730-00-266-1815 is a Adapter,straight,pipe to Tube, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-266-1815?

NSN 4730-00-266-1815 has 5 cross-referenced part numbers: 603 (Nibco Inc), B16.22 (Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc), B16.22 (American National Standards Institute Incorporated Dba American National Standards Institute), W1232 (Mueller Brass Co.), B16.22 (Mindeco Corp).

What NSN replaces 4730-00-266-1815?

There is 1 known substitute for 4730-00-266-1815: 5310-01-019-2805. Verify interchangeability with system specifications before substitution.

What are the specifications of W1232?

Key specifications for W1232: Connection Type: THREADED INTERNAL PIPE SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.035 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: UNTHREADED INTERNAL TUBE FIRST END. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-266-1815 still in active supply?

NSN 4730-00-266-1815 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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