PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-6F50X-SAdapter,straight,tube to Boss

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-01-188-3577 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-188-3577 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-188-3577. Primary manufacturer part number: 12-6F50X-S.
Features
  • Adapter,straight,tube to Boss — FSC 4730
  • Connection Type: THREADED EXTERNAL BOSS SECOND END
  • Furnished Items and Quantity: 1 PREFORMED PACKING
  • Surface Treatment Document and Classification: J514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416 FED SPEC 2ND TREATMENT RESPONSE OVERALL
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nondefinitive Spec/std Data: 3B FIGURE
  • Nominal Thread Size: 1.062 INCHES FIRST END IN
  • Specification/standard Data: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 12l14 Overall construction
General Description

The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-188-3577, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-188-3577
Primary Part Number12-6F50X-S
Item NameAdapter,straight,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusCANCELLED
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Furnished Items and Quantity1 PREFORMED PACKING
Surface Treatment Document and ClassificationJ514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nondefinitive Spec/std Data3B FIGURE
Nominal Thread Size1.062 INCHES FIRST END IN
Specification/standard Data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nominal Outside Diameter Tube Accommodated0.750 INCHES FIRST END IN
Nominal Overall Length1.660 INCHES IN
Thread Series DesignatorUN FIRST END
Seat Angle37.0 DEGREES FIRST END
MaterialSTEEL COMP 12L14 OVERALL
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StyleFLARED (TUBE) FIRST END
Maximum Operating Temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Class2A ALL ENDS A
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Thread Series DesignatorUNF SECOND END
Thread Quantity Per Inch12 FIRST END
Nominal Thread Size0.562 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
6760-00-219-717217751 INTERCHANGEABLE
Handle
Alan Gordon Enterprises Inc.
5110-00-233-9714 INTERCHANGEABLE
Rasp,hand
1260-00-320-10061021096 INTERCHANGEABLE
Clutch Plate Assy
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5962-01-075-8622932820-200 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
3110-01-218-1079 INTERCHANGEABLE
Bearing,ball,annular
6150-01-275-969017751 INTERCHANGEABLE
Cable Assembly,power,electrical
Belden Wire and Cable Co Wire and Cable Office
6240-01-344-478060A/52/SS/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
4520-01-430-732517751 INTERCHANGEABLE
Heater,water,electric
The Electric Heater Co Dba Hubbell Electric Heater Co.
6145-01-543-149117751 INTERCHANGEABLE
Cable,power,electrical
Volex Inc
Cross-Reference Index
Part NumberManufacturer
17751 Hyster-Yale Group, Inc. (USA)
J514 Society of Automotive Engineers Inc (USA)
6-12SA2 Jm Fittings, Llc Dba L & L Fittings Mfg (USA)
12-6 070120C Society of Automotive Engineers Inc (USA)
12-6F50X-S PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
202702-12-6S PRIMARY Danfoss Power Solutions II, Llc (USA)
SAE J514 Society of Automotive Engineers Inc (USA)
17751 Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
6-12SA2 L and L Manufacturing Co Inc (USA)
102-1096 Landoll Company, Llc (USA)
12-6F50X-S Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
C5315X12X6 Dana Corp Weatherhead Div (USA)
Related Parts
6760-00-219-7172INTERCHANGEABLE
HANDLE
17751
5110-00-233-9714INTERCHANGEABLE
RASP,HAND
1260-00-320-1006INTERCHANGEABLE
CLUTCH PLATE ASSY
1021096
5962-01-075-8622INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932820-200
3110-01-218-1079INTERCHANGEABLE
BEARING,BALL,ANNULAR
6150-01-275-9690INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
17751
6240-01-344-4780INTERCHANGEABLE
LAMP,INCANDESCENT
60A/52/SS/120V
4520-01-430-7325INTERCHANGEABLE
HEATER,WATER,ELECTRIC
17751
6145-01-543-1491INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
17751

Frequently Asked Questions

What is NSN 4730-01-188-3577?

NSN 4730-01-188-3577 is a Adapter,straight,tube to Boss, 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 4730-01-188-3577?

NSN 4730-01-188-3577 has 12 cross-referenced part numbers: 17751 (Hyster-Yale Group, Inc.), J514 (Society of Automotive Engineers Inc), 6-12SA2 (Jm Fittings, Llc Dba L & L Fittings Mfg), 12-6 070120C (Society of Automotive Engineers Inc), 12-6F50X-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division) and 7 more.

What NSN replaces 4730-01-188-3577?

There are 9 known substitutes for 4730-01-188-3577: 6760-00-219-7172, 5110-00-233-9714, 1260-00-320-1006 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-6F50X-S?

Key specifications for 12-6F50X-S: Connection Type: THREADED EXTERNAL BOSS SECOND END; Furnished Items and Quantity: 1 PREFORMED PACKING; Surface Treatment Document and Classification: J514 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-188-3577 still in active supply?

NSN 4730-01-188-3577 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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