PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51815-5Elbow,pipe to Tube

Dana Corp Weatherhead Div · NSN 4730-00-096-8331 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-096-8331 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-096-8331. Primary manufacturer part number: MS51815-5.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material Document and Classification: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment Document and Classification: J514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thread Series Designator: NPTF SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Seat Angle: 12.0 DEGREES FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-096-8331, 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 Dana Corp Weatherhead Div. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 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
NSN4730-00-096-8331
Primary Part NumberMS51815-5
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDana Corp Weatherhead Div
StatusCANCELLED
Nominal Thread Size0.438 INCHES FIRST END IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and ClassificationQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationJ514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorNPTF SECOND END
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Seat Angle12.0 DEGREES FIRST END
Media for Which DesignedHYDRAULIC FLUID SECOND RESPONSE
Nominal Thread Size0.250 INCHES SECOND END IN
Surface TreatmentCADMIUM OVERALL
Media for Which DesignedAIR FIRST RESPONSE
Specification/standard Data81349-MIL-F-18866 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Furnished Items and Quantity1 FERRULE SLEEVE AND 1 SHORT COUPLING NUT
Leg Length1.030 INCHES NOMINAL FIRST END IN
Connection StylePLAIN (PIPE) SECOND END
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialSTEEL OVERALL
Thread Series DesignatorUNF FIRST END
Leg Length1.090 INCHES NOMINAL SECOND END IN
Thread Class2A FIRST END A
Connection StyleFLARELESS (TUBE) FIRST END
Flow Angle90.0 DEGREES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4730-00-278-5580 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
4730-00-892-4587 INTERCHANGEABLE
Elbow,pipe to Tube
Cross-Reference Index
Part NumberManufacturer
MS51815-5 Dana Corp Weatherhead Div (USA)
4730000968331 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
423833 Army Weapons Command Attn Amswe-Ree-S (USA)
MS51815-5 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
4-4 080202CA Sae International Dba Sae International (USA)
MIL-DTL-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS51815-5 Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
MS51815-5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS51815-5A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS51815-35 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS51815-5 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
4730PL0562818 Jednolity Indeks Materialowy - Uniform Material Index (POL)
28842 Dana Corp Weatherhead Div (USA)
MS51815-48SS Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
28842 Danfoss Power Solutions II, Llc (USA)
MS51815-5 Danfoss Power Solutions II, Llc (USA)
J514 Society of Automotive Engineers Inc (USA)
MIL-F-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4-4-CU-S Litton Systems Inc. Div Navigation Systems Division (USA)
4-4 080202CA Society of Automotive Engineers Inc (USA)
Related Parts
4730-00-278-5580INTERCHANGEABLE
ELBOW,PIPE TO TUBE
2810-00-306-5896INTERCHANGEABLE
RETAINER,PROPELLER
28842
1630-00-369-0185INTERCHANGEABLE
LOCK,VALVE,HYDRAULIC BRAKE
28842
4730-00-892-4587INTERCHANGEABLE
ELBOW,PIPE TO TUBE

Frequently Asked Questions

What is NSN 4730-00-096-8331?

NSN 4730-00-096-8331 is a Elbow,pipe to Tube, manufactured by Dana Corp Weatherhead Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-096-8331?

NSN 4730-00-096-8331 has 21 cross-referenced part numbers: MS51815-5 (Dana Corp Weatherhead Div), 4730000968331 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 423833 (Army Weapons Command Attn Amswe-Ree-S), MS51815-5 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 4-4 080202CA (Sae International Dba Sae International) and 16 more.

What NSN replaces 4730-00-096-8331?

There are 4 known substitutes for 4730-00-096-8331: 4730-00-278-5580, 2810-00-306-5896, 1630-00-369-0185 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51815-5?

Key specifications for MS51815-5: Nominal Thread Size: 0.438 INCHES FIRST END IN; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material Document and Classification: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment Document and Classification: J514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-096-8331 still in active supply?

NSN 4730-00-096-8331 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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