PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3735-1212Tee,tube

Mobile Drilling Company Inc Dba Foremost-Mobile · NSN 4730-00-738-7558 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-738-7558 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-738-7558. Primary manufacturer part number: 3735-1212.
Features
  • Tee,tube — FSC 4730
  • Material: STEEL COMP 12L14 OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Connection Style: FLARED (TUBE) SECOND END
  • Specification/standard Data: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Thread Class: 2A THIRD END A
  • Nominal Outside Diameter Tube Accommodated: 0.750 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 12l14 Overall construction
General Description

The Tee,tube, cataloged under National Stock Number 4730-00-738-7558, 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 Mobile Drilling Company Inc Dba Foremost-Mobile. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 commercial cross-references from 19 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
NSN4730-00-738-7558
Primary Part Number3735-1212
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMobile Drilling Company Inc Dba Foremost-Mobile
StatusCANCELLED
MaterialSTEEL COMP 12L14 OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection StyleFLARED (TUBE) SECOND END
Specification/standard Data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Class2A THIRD END A
Nominal Outside Diameter Tube Accommodated0.750 INCHES ALL ENDS IN
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Leg Length1.750 INCHES NOMINAL FIRST END IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Connection StyleFLARED (TUBE) THIRD END
Leg Length1.660 INCHES NOMINAL SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE THIRD END
Media for Which DesignedHYDRAULIC FLUID FIRST RESPONSE
Thread Quantity Per Inch12 ALL ENDS
Thread Class2B FIRST END
Thread Series DesignatorUN ALL ENDS
Thread Class2A SECOND END A
Nondefinitive Spec/std Data9B FIGURE
Seat Angle37.0 DEGREES ALL ENDS
Media for Which DesignedAIR SECOND RESPONSE
Nominal Thread Size1.062 INCHES ALL ENDS IN
Leg Length1.660 INCHES NOMINAL THIRD END IN
Surface TreatmentCADMIUM AND ZINC OVERALL
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Maximum Operating Temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-00-618-5381 INTERCHANGEABLE
Tee,tube
4730-01-104-7503 INTERCHANGEABLE
Tee,tube
4730-01-602-611512 R6X-S INTERCHANGEABLE
Tee,pipe to Tube
Hippo Power, Llc Div Hippo Multipower
Cross-Reference Index
Part NumberManufacturer
J514 Society of Automotive Engineers Inc (USA)
RASC3300-12 Lube Devices Inc Flodar Fluid Power Fittings Div (USA)
J514 Sae International Dba Sae International (USA)
203102-12-12S Danfoss Power Solutions II, Llc (USA)
3735-1212 PRIMARY Mobile Drilling Company Inc Dba Foremost-Mobile (USA)
1392790 Oshkosh Corp (USA)
35287739 Doosan Infracore Portable Power & Attachments (GBR)
B503-43-6708 Integrated Distribution Systemslimited Partnershipdba Waterous Power Systems (CAN)
35287739 Ingersoll-Rand European Sales Ltd (GBR)
624VLH00170 Arrow-Master, Incorporated (USA)
12R6X-S Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
12-12-12 070432C Sae International Dba Sae International (USA)
1392790 Oshkosh Defense Llc (USA)
2200002785 St Engineering Land Systems Ltd. Div Kinetics Design Manufacturing (SGP)
046437 Mobile Drilling Company Inc Dba Foremost-Mobile (USA)
LT-188 Pettibone Llc (USA)
12-12-12 070432C Society of Automotive Engineers Inc (USA)
SAE J514/1 12-12-12 070432C PRIMARY Sae International Dba Sae International (USA)
503-43-6708 Integrated Distribution Systemslimited Partnershipdba Waterous Power Systems (CAN)
SAE J514 12-12-12 070432C Sae International Dba Sae International (USA)
Related Parts
4730-00-618-5381INTERCHANGEABLE
TEE,TUBE
4730-01-104-7503INTERCHANGEABLE
TEE,TUBE
4730-01-602-6115INTERCHANGEABLE
TEE,PIPE TO TUBE
12 R6X-S

Frequently Asked Questions

What is NSN 4730-00-738-7558?

NSN 4730-00-738-7558 is a Tee,tube, manufactured by Mobile Drilling Company Inc Dba Foremost-Mobile, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-738-7558?

NSN 4730-00-738-7558 has 29 cross-referenced part numbers: J514 (Society of Automotive Engineers Inc), RASC3300-12 (Lube Devices Inc Flodar Fluid Power Fittings Div), J514 (Sae International Dba Sae International), 203102-12-12S (Danfoss Power Solutions II, Llc), 3735-1212 (Mobile Drilling Company Inc Dba Foremost-Mobile) and 24 more.

What NSN replaces 4730-00-738-7558?

There are 3 known substitutes for 4730-00-738-7558: 4730-00-618-5381, 4730-01-104-7503, 4730-01-602-6115. Verify interchangeability with system specifications before substitution.

What are the specifications of 3735-1212?

Key specifications for 3735-1212: Material: STEEL COMP 12L14 OVERALL; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Connection Style: FLARED (TUBE) SECOND END. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-738-7558 still in active supply?

NSN 4730-00-738-7558 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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