PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

189392Tee,pipe

General Motors Corp · NSN 4730-00-263-3740 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-263-3740 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-263-3740. Primary manufacturer part number: 189392.
Features
  • Tee,pipe — FSC 4730
  • Nondefinitive Spec/std Data: 2 TYPE
  • Surface Treatment: ZINC INSIDE
  • Surface Treatment: ZINC OUTSIDE
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Thread Series Designator: NPT ALL ENDS
  • Nominal Thread Size: 2.000 INCHES SECOND END IN
  • Nominal Thread Size: 2.500 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Tee,pipe, cataloged under National Stock Number 4730-00-263-3740, 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 General Motors Corp. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN4730-00-263-3740
Primary Part Number189392
Item NameTee,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusCANCELLED
Nondefinitive Spec/std Data2 TYPE
Surface TreatmentZINC INSIDE
Surface TreatmentZINC OUTSIDE
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Thread Series DesignatorNPT ALL ENDS
Nominal Thread Size2.000 INCHES SECOND END IN
Nominal Thread Size2.500 INCHES FIRST END IN
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MaterialIRON OVERALL
Maximum Operating Temp65.6 CELSIUS SECOND RESPONSE DEGC
Leg Length2.250 INCHES NOMINAL SECOND END IN
Maximum Operating Temp260.0 CELSIUS FIRST RESPONSE DEGC
Leg Length2.390 INCHES NOMINAL FIRST END IN
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Media for Which DesignedSTEAM FIRST RESPONSE
Nominal Thread Size2.000 INCHES THIRD END IN
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Leg Length2.600 INCHES NOMINAL THIRD END IN
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Connection StylePLAIN (PIPE) ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-113-8530 INTERCHANGEABLE
Gasket
4730-00-114-9888 INTERCHANGEABLE
Elbow,pipe
5910-00-232-8158361098-15 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
2540-00-294-76314583-2 INTERCHANGEABLE
Cushion,seat,vehicular
National Seating Company
5996-00-322-34078133 INTERCHANGEABLE
Amplifier,intermediate Frequency
Drs Signal Solutions, Inc.
2940-00-456-9733647341 INTERCHANGEABLE
Filter,fluid
Am General Llc
5330-00-543-44348133 INTERCHANGEABLE
Packing,preformed
Minnesota Rubber Co
5999-00-575-0353717799-11 INTERCHANGEABLE
Delay Line
Raytheon Company Div Rmd Strategic
4320-00-932-08868133 INTERCHANGEABLE
Sleeve,shaft,pump
Air & Liquid Systems Corporation Dba Buffalo Pumps
5342-01-194-8725189392 INTERCHANGEABLE
Button
Marotta Controls Inc
Cross-Reference Index
Part NumberManufacturer
189392 General Motors Corp (USA)
WWP501 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
WWP521 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
813.3 The American Society of Mechanical Engineers (USA)
Related Parts
5330-00-113-8530INTERCHANGEABLE
GASKET
4730-00-114-9888INTERCHANGEABLE
ELBOW,PIPE
5910-00-232-8158INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
361098-15
2540-00-294-7631INTERCHANGEABLE
CUSHION,SEAT,VEHICULAR
4583-2
5996-00-322-3407INTERCHANGEABLE
AMPLIFIER,INTERMEDIATE FREQUENCY
8133
2940-00-456-9733INTERCHANGEABLE
FILTER,FLUID
647341
5330-00-543-4434INTERCHANGEABLE
PACKING,PREFORMED
8133
5999-00-575-0353INTERCHANGEABLE
DELAY LINE
717799-11
4320-00-932-0886INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
8133
5342-01-194-8725INTERCHANGEABLE
BUTTON
189392
5935-01-321-0840INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
189392
6850-01-333-6724INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
8133

Frequently Asked Questions

What is NSN 4730-00-263-3740?

NSN 4730-00-263-3740 is a Tee,pipe, manufactured by General Motors Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-263-3740?

NSN 4730-00-263-3740 has 4 cross-referenced part numbers: 189392 (General Motors Corp), WWP501 (Federal Specifications Promulgated by General Services Administration Washington DC), WWP521 (Federal Specifications Promulgated by General Services Administration Washington DC), 813.3 (The American Society of Mechanical Engineers).

What NSN replaces 4730-00-263-3740?

There are 12 known substitutes for 4730-00-263-3740: 5330-00-113-8530, 4730-00-114-9888, 5910-00-232-8158 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 189392?

Key specifications for 189392: Nondefinitive Spec/std Data: 2 TYPE; Surface Treatment: ZINC INSIDE; Surface Treatment: ZINC OUTSIDE; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-263-3740 still in active supply?

NSN 4730-00-263-3740 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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