PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWP521Tee,pipe

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-245-0200 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-245-0200 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-245-0200. Primary manufacturer part number: WWP521.
Features
  • Tee,pipe — FSC 4730
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Nominal Thread Size: 0.750 INCHES SECOND END IN
  • Nominal Thread Size: 0.750 INCHES FIRST END IN
  • Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Leg Length: 1.130 INCHES NOMINAL THIRD END IN
  • Nominal Pipe Size Accommodated: 0.375 INCHES THIRD 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 4730-00-245-0200, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-245-0200
Primary Part NumberWWP521
Item NameTee,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Nominal Thread Size0.750 INCHES SECOND END IN
Nominal Thread Size0.750 INCHES FIRST END IN
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Leg Length1.130 INCHES NOMINAL THIRD END IN
Nominal Pipe Size Accommodated0.375 INCHES THIRD END IN
Nominal Thread Size0.375 INCHES THIRD END IN
Maximum Operating Temp260.0 CELSIUS FIRST RESPONSE DEGC
Thread Series DesignatorNPT ALL ENDS
Nondefinitive Spec/std Data1 TYPE
Leg Length1.120 INCHES NOMINAL SECOND END IN
Leg Length1.120 INCHES NOMINAL FIRST END IN
MaterialIRON OVERALL
Connection StylePLAIN (PIPE) ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Media for Which DesignedSTEAM FIRST RESPONSE
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Maximum Operating Temp65.6 CELSIUS SECOND RESPONSE DEGC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-618-0248 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5325-01-327-3402218248 INTERCHANGEABLE
Insert,screw Thread
Woodward, Inc. Div Fuel Systems and Controls
5325-01-502-2584218248 INTERCHANGEABLE
Ring,retaining
Cadillac Gage Textron Inc.
Cross-Reference Index
Part NumberManufacturer
WWP521 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
218248 General Motors Corp (USA)
Related Parts
3110-00-618-0248INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5325-01-327-3402INTERCHANGEABLE
INSERT,SCREW THREAD
218248
5325-01-502-2584INTERCHANGEABLE
RING,RETAINING
218248

Frequently Asked Questions

What is NSN 4730-00-245-0200?

NSN 4730-00-245-0200 is a Tee,pipe, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-245-0200?

NSN 4730-00-245-0200 has 2 cross-referenced part numbers: WWP521 (Federal Specifications Promulgated by General Services Administration Washington DC), 218248 (General Motors Corp).

What NSN replaces 4730-00-245-0200?

There are 3 known substitutes for 4730-00-245-0200: 3110-00-618-0248, 5325-01-327-3402, 5325-01-502-2584. Verify interchangeability with system specifications before substitution.

What are the specifications of WWP521?

Key specifications for WWP521: Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Nominal Thread Size: 0.750 INCHES SECOND END IN; Nominal Thread Size: 0.750 INCHES FIRST END IN; Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-245-0200 still in active supply?

NSN 4730-00-245-0200 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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