PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A2303-12-51PC18Elbow,pipe

Us Army Aviation and Missile Command · NSN 4730-00-246-9205 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-246-9205 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-246-9205. Primary manufacturer part number: A2303-12-51PC18.
Features
  • Elbow,pipe — FSC 4730
  • Thread Series Designator: NPT ALL ENDS
  • Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: IRON OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Flow Angle: 45.0 DEGREES
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-246-9205, 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 Us Army Aviation and Missile Command. Government technical data includes 17 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-246-9205
Primary Part NumberA2303-12-51PC18
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
Thread Series DesignatorNPT ALL ENDS
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialIRON OVERALL
Nondefinitive Spec/std Data2 TYPE
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Flow Angle45.0 DEGREES
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Nominal Pipe Size Accommodated1.250 INCHES ALL ENDS IN
Maximum Operating Temp260.0 CELSIUS FIRST RESPONSE DEGC
Maximum Operating Temp65.6 CELSIUS SECOND RESPONSE DEGC
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Leg Length1.290 INCHES NOMINAL ALL ENDS IN
Connection StylePLAIN (PIPE) ALL ENDS
Nominal Thread Size1.250 INCHES ALL ENDS IN
Surface TreatmentZINC OVERALL
Media for Which DesignedSTEAM FIRST RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
2805-00-176-4062 INTERCHANGEABLE
Ring Set,piston
4730-00-349-908301014009 INTERCHANGEABLE
Tee,pipe
Nibco Inc Chemtrol Div
5935-00-498-1979RFA0721-847 INTERCHANGEABLE
Connector,plug,electrical
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
6685-00-530-339600630-0010 INTERCHANGEABLE
Gage,pressure,dial Indicating
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
1440-00-874-567958A119D100-1 INTERCHANGEABLE
Launcher,guided Missile,aircraft
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2930-00-938-1593BM76506 INTERCHANGEABLE
Housing,coolant Pump,engine
Cummins Inc.
2530-01-329-1374 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
6150-01-392-7760 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cross-Reference Index
Part NumberManufacturer
A2303-12-51PC18 PRIMARY Us Army Aviation and Missile Command (USA)
8319 PRIMARY Terex Reedrill Dba Reedrill Texoma Div Terex Mining (USA)
FIG 1102 11/4INCH,GALVANIZED Itt Grinnell Corp (USA)
144139 General Motors Corp (USA)
WWP521 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
2805-00-176-4062INTERCHANGEABLE
RING SET,PISTON
4730-00-349-9083INTERCHANGEABLE
TEE,PIPE
01014009
5935-00-498-1979INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
RFA0721-847
6685-00-530-3396INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
00630-0010
1440-00-874-5679INTERCHANGEABLE
LAUNCHER,GUIDED MISSILE,AIRCRAFT
58A119D100-1
2930-00-938-1593INTERCHANGEABLE
HOUSING,COOLANT PUMP,ENGINE
BM76506
2530-01-329-1374INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
6150-01-392-7760INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 4730-00-246-9205?

NSN 4730-00-246-9205 is a Elbow,pipe, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-246-9205?

NSN 4730-00-246-9205 has 5 cross-referenced part numbers: A2303-12-51PC18 (Us Army Aviation and Missile Command), 8319 (Terex Reedrill Dba Reedrill Texoma Div Terex Mining), FIG 1102 11/4INCH,GALVANIZED (Itt Grinnell Corp), 144139 (General Motors Corp), WWP521 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-246-9205?

There are 8 known substitutes for 4730-00-246-9205: 2805-00-176-4062, 4730-00-349-9083, 5935-00-498-1979 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A2303-12-51PC18?

Key specifications for A2303-12-51PC18: Thread Series Designator: NPT ALL ENDS; Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: IRON OVERALL; Nondefinitive Spec/std Data: 2 TYPE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-246-9205 still in active supply?

NSN 4730-00-246-9205 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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