PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

218219Elbow,pipe

General Motors Llc Dba General Motors Llc · NSN 4730-00-278-2954 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-2954 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-2954. Primary manufacturer part number: 218219.
Features
  • Elbow,pipe — FSC 4730
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Specification/standard Data: 81348-WW-P-521 GOVERNMENT SPECIFICATION
  • Nondefinitive Spec/std Data: 1 TYPE
  • Flow Angle: 45.0 DEGREES
  • Maximum Operating Temp: 500.0 FAHRENHEIT FIRST RESPONSE DEGF
  • Thread Series Designator: NPT ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-278-2954, 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 Llc Dba General Motors Llc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN4730-00-278-2954
Primary Part Number218219
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusCANCELLED
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Specification/standard Data81348-WW-P-521 GOVERNMENT SPECIFICATION
Nondefinitive Spec/std Data1 TYPE
Flow Angle45.0 DEGREES
Maximum Operating Temp500.0 FAHRENHEIT FIRST RESPONSE DEGF
Thread Series DesignatorNPT ALL ENDS
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Media for Which DesignedSTEAM FIRST RESPONSE
Connection StylePLAIN (PIPE) FIRST END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Leg Length1.875 INCHES NOMINAL SECOND END IN
Leg Length1.438 INCHES NOMINAL FIRST END IN
Nominal Thread Size1.500 INCHES ALL ENDS IN
MaterialIRON OVERALL
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-088-8576 INTERCHANGEABLE
Elbow,pipe
4730-00-203-8358 INTERCHANGEABLE
Coupling,pipe
4730-00-231-2410 INTERCHANGEABLE
Cap,pipe
4730-00-246-9188119095 INTERCHANGEABLE
Elbow,pipe
Rolls-Royce Solutions America Inc
4730-00-246-9190 INTERCHANGEABLE
Elbow,pipe
4730-00-246-9218 INTERCHANGEABLE
Elbow,pipe
4730-00-265-9706 INTERCHANGEABLE
Tee,pipe
4730-00-277-1986 INTERCHANGEABLE
Elbow,pipe
4730-00-277-2782 INTERCHANGEABLE
Reducer,pipe
4730-00-277-2863MPD9484-3A1-1 INTERCHANGEABLE
Elbow,pipe
Met-Pro Corporation
Cross-Reference Index
Part NumberManufacturer
80598 Lawson Products, Inc. (USA)
218219 General Motors Corp (USA)
WWP521TYPE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
218219 PRIMARY General Motors Llc Dba General Motors Llc (USA)
B16.3 The American Society of Mechanical Engineers (USA)
1104-1 1/2 IN BLACK Itt Grinnell Corp (USA)
Related Parts
4730-00-088-8576INTERCHANGEABLE
ELBOW,PIPE
4730-00-203-8358INTERCHANGEABLE
COUPLING,PIPE
4730-00-231-2410INTERCHANGEABLE
CAP,PIPE
4730-00-246-9188INTERCHANGEABLE
ELBOW,PIPE
119095
4730-00-246-9190INTERCHANGEABLE
ELBOW,PIPE
4730-00-246-9218INTERCHANGEABLE
ELBOW,PIPE
4730-00-265-9706INTERCHANGEABLE
TEE,PIPE
4730-00-277-1986INTERCHANGEABLE
ELBOW,PIPE
4730-00-277-2782INTERCHANGEABLE
REDUCER,PIPE
4730-00-277-2863INTERCHANGEABLE
ELBOW,PIPE
MPD9484-3A1-1
4730-00-278-4422INTERCHANGEABLE
TEE,PIPE
5305-00-921-0073INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
218219

Frequently Asked Questions

What is NSN 4730-00-278-2954?

NSN 4730-00-278-2954 is a Elbow,pipe, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-278-2954?

NSN 4730-00-278-2954 has 6 cross-referenced part numbers: 80598 (Lawson Products, Inc.), 218219 (General Motors Corp), WWP521TYPE1 (Federal Specifications Promulgated by General Services Administration Washington DC), 218219 (General Motors Llc Dba General Motors Llc), B16.3 (The American Society of Mechanical Engineers) and 1 more.

What NSN replaces 4730-00-278-2954?

There are 12 known substitutes for 4730-00-278-2954: 4730-00-088-8576, 4730-00-203-8358, 4730-00-231-2410 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 218219?

Key specifications for 218219: Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Specification/standard Data: 81348-WW-P-521 GOVERNMENT SPECIFICATION; Nondefinitive Spec/std Data: 1 TYPE. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-278-2954 still in active supply?

NSN 4730-00-278-2954 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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