PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51815-5SSElbow,pipe to Tube

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-00-892-4587 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-892-4587 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-892-4587. Primary manufacturer part number: MS51815-5SS.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Flow Angle: 90.0 DEGREES
  • Surface Treatment Document and Classification: QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Media for Which Designed: AIR THIRD RESPONSE
  • Leg Length: 1.031 INCHES NOMINAL FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 304 or Steel Comp 316 Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-892-4587, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-892-4587
Primary Part NumberMS51815-5SS
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusCANCELLED
Flow Angle90.0 DEGREES
Surface Treatment Document and ClassificationQQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE
Nominal Thread Size0.438 INCHES FIRST END IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Media for Which DesignedAIR THIRD RESPONSE
Leg Length1.031 INCHES NOMINAL FIRST END IN
Seat Angle12.0 DEGREES FIRST END
Furnished Items and Quantity1 TUBE COUPLING NUT W/SLEEVE
Specification/standard Data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data21A FIGURE A
Thread Series DesignatorNPTF SECOND END
MaterialSTEEL COMP 304 OR STEEL COMP 316 OVERALL
Connection StyleFLARELESS (TUBE) FIRST END
Thread Class2A FIRST END A
Maximum Operating Temp250.0 FAHRENHEIT FIRST RESPONSE DEGF
Media for Which DesignedHYDRAULIC FLUID SECOND RESPONSE
Surface TreatmentPASSIVATE OVERALL
Material Document and Classification66,AISI 304/SAE 30304 FED STD 1ST MATERIAL RESPONSE OR 66,AISI 316/SAE 30316 FED STD 2ND MATERIAL RESPONSE OVERALL
Leg Length1.094 INCHES NOMINAL SECOND END IN
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Thread Size0.250 INCHES SECOND END IN
Thread Series DesignatorUNF FIRST END
Maximum Operating Temp-65.0 FAHRENHEIT SECOND RESPONSE DEGF
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Media for Which DesignedWATER-OIL-GAS FIRST RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4730-00-096-8331 INTERCHANGEABLE
Elbow,pipe to Tube
2810-00-306-589628842 INTERCHANGEABLE
Retainer,propeller
Curtiss-Wright Controls, Inc. Div Actuation Division
1630-00-369-018528842 INTERCHANGEABLE
Lock,valve,hydraulic Brake
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4730-00-490-6257SAE J514-2 4-4 080202SA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS51815-5SS Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
MS51815-5SS Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
7417X4X4 Dana Corp Weatherhead Div (USA)
498-00019 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA)
J514 Society of Automotive Engineers Inc (USA)
MILF18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4-4CBUSS Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
4730PL0848005 Jednolity Indeks Materialowy - Uniform Material Index (POL)
4-4CBU-SS Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
J514 Sae International Dba Sae International (USA)
4-4 080202SA Society of Automotive Engineers Inc (USA)
4-4CBUSS Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
MIL-DTL-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
604AS741-5 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
MS51815-5SS Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS51815-5SS Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
28842 Davey Compressor Co Div of Keco Industries Inc (USA)
4-4 080202SA Sae International Dba Sae International (USA)
Related Parts
4730-00-096-8331INTERCHANGEABLE
ELBOW,PIPE TO TUBE
2810-00-306-5896INTERCHANGEABLE
RETAINER,PROPELLER
28842
1630-00-369-0185INTERCHANGEABLE
LOCK,VALVE,HYDRAULIC BRAKE
28842
4730-00-490-6257INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J514-2 4-4 080202SA

Frequently Asked Questions

What is NSN 4730-00-892-4587?

NSN 4730-00-892-4587 is a Elbow,pipe to Tube, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-892-4587?

NSN 4730-00-892-4587 has 18 cross-referenced part numbers: MS51815-5SS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), MS51815-5SS (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 7417X4X4 (Dana Corp Weatherhead Div), 498-00019 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division), J514 (Society of Automotive Engineers Inc) and 13 more.

What NSN replaces 4730-00-892-4587?

There are 4 known substitutes for 4730-00-892-4587: 4730-00-096-8331, 2810-00-306-5896, 1630-00-369-0185 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51815-5SS?

Key specifications for MS51815-5SS: Flow Angle: 90.0 DEGREES; Special Features: GRUMMAN AEROSPACE CORP A10 AIRCRAFT; Surface Treatment Document and Classification: QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE; Nominal Thread Size: 0.438 INCHES FIRST END IN. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-892-4587 still in active supply?

NSN 4730-00-892-4587 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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