PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12RTXSTee,pipe to Tube

Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division · NSN 4730-00-995-1581 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-995-1581 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-995-1581. Primary manufacturer part number: 12RTXS.
Features
  • Tee,pipe to Tube — FSC 4730
  • Seat Angle: 37.0 DEGREES THIRD END
  • Thread Class: 2A FIRST END A
  • Connection Type: THREADED EXTERNAL TUBE THIRD END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Connection Style: FLARED (TUBE) FIRST END
  • Leg Length: 1.590 INCHES NOMINAL SECOND END IN
  • Nominal Thread Size: 1.062 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Tee,pipe to Tube, cataloged under National Stock Number 4730-00-995-1581, 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 Corp Dba Pneutronics Div Stratoflex Products Division. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-995-1581
Primary Part Number12RTXS
Item NameTee,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
StatusACTIVE
Seat Angle37.0 DEGREES THIRD END
Thread Class2A FIRST END A
Connection TypeTHREADED EXTERNAL TUBE THIRD END
Connection StylePLAIN (PIPE) SECOND END
Connection StyleFLARED (TUBE) FIRST END
Leg Length1.590 INCHES NOMINAL SECOND END IN
Nominal Thread Size1.062 INCHES FIRST END IN
Thread Quantity Per Inch12 FIRST END
Leg Length1.660 INCHES NOMINAL THIRD END IN
Nominal Thread Size1.062 INCHES THIRD END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Seat Angle37.0 DEGREES FIRST END
Nondefinitive Spec/std Data5C FIGURE
Thread Quantity Per Inch12 THIRD END
Connection StyleFLARED (TUBE) THIRD END
Thread Class2A THIRD END A
Nominal Outside Diameter Tube Accommodated0.750 INCHES THIRD END IN
Nominal Outside Diameter Tube Accommodated0.750 INCHES FIRST END IN
MaterialSTEEL OVERALL
Specification/standard Data96906-MS51511 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Furnished Items and Quantity2 FERRULE SLEEVE AND 2 SHORT COUPLING NUT
Thread Series DesignatorUN FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Thread Size0.750 INCHES SECOND END IN
Leg Length1.660 INCHES NOMINAL FIRST END IN
Surface Treatment Document and ClassificationJ514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorNPTF SECOND END
Thread Series DesignatorUN THIRD END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-487-3609102-0204 INTERCHANGEABLE
Adapter,straight,pipe to Hose
American Couplings Co
Cross-Reference Index
Part NumberManufacturer
12RTXS Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
12-12 070424CA Sae International Dba Sae International (USA)
2605-12-12-12 Air-Way Manufacturing Company (USA)
MIL-DTL-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
12RBTXS Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
J514 Sae International Dba Sae International (USA)
12RBTXS Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
18562FX Oshkosh Defense Llc (USA)
2028-12-12S Danfoss Power Solutions II, Llc (USA)
12RBTXS Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
102-0204 Landoll Company, Llc (USA)
MS51511A12 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
12-12 070424CA Society of Automotive Engineers Inc (USA)
J514 Society of Automotive Engineers Inc (USA)
Related Parts
4730-01-487-3609INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
102-0204

Frequently Asked Questions

What is NSN 4730-00-995-1581?

NSN 4730-00-995-1581 is a Tee,pipe to Tube, manufactured by Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-995-1581?

NSN 4730-00-995-1581 has 15 cross-referenced part numbers: 12RTXS (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 12-12 070424CA (Sae International Dba Sae International), 2605-12-12-12 (Air-Way Manufacturing Company), MIL-DTL-18866 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-18866 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 10 more.

What NSN replaces 4730-00-995-1581?

There is 1 known substitute for 4730-00-995-1581: 4730-01-487-3609. Verify interchangeability with system specifications before substitution.

What are the specifications of 12RTXS?

Key specifications for 12RTXS: Seat Angle: 37.0 DEGREES THIRD END; Thread Class: 2A FIRST END A; Connection Type: THREADED EXTERNAL TUBE THIRD END; Connection Style: PLAIN (PIPE) SECOND END. 28 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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