PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2021-20-16SAdapter,straight,pipe to Tube

Danfoss Power Solutions II, Llc · NSN 4730-00-194-1786 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-194-1786 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-194-1786. Primary manufacturer part number: 2021-20-16S.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Overall Length: 2.420 INCHES IN
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Specification/standard Data: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Thread Quantity Per Inch: 12 FIRST END
  • Thread Series Designator: NPTF SECOND END
  • Material: STEEL OVERALL
  • Nominal Outside Diameter Tube Accommodated: 1.250 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-194-1786, 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 Danfoss Power Solutions II, Llc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-194-1786
Primary Part Number2021-20-16S
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusCANCELLED
Nominal Overall Length2.420 INCHES IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Specification/standard Data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Quantity Per Inch12 FIRST END
Thread Series DesignatorNPTF SECOND END
MaterialSTEEL OVERALL
Nominal Outside Diameter Tube Accommodated1.250 INCHES FIRST END IN
Seat Angle37.0 DEGREES FIRST END
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data2A FIGURE A
Nominal Outside Diameter Tube Accommodated1.250 INCHES FIRST END IN
Nominal Thread Size1.625 INCHES FIRST END IN
Surface Treatment Document and ClassificationJ514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUN FIRST END
Seat Angle37.0 DEGREES FIRST END
Nominal Overall Length2.420 INCHES IN
Specification/standard Data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Class2A FIRST END A
Nominal Thread Size1.000 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StylePLAIN (PIPE) SECOND END
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size1.625 INCHES FIRST END IN
Surface Treatment Document and ClassificationJ514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Connection StyleFLARED (TUBE) FIRST END
Nondefinitive Spec/std Data2A FIGURE A
Nominal Thread Size1.000 INCHES SECOND END IN
Thread Quantity Per Inch12 FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5120-00-251-4489 INTERCHANGEABLE
Hammer,hand
5950-00-518-3651C53-57 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5950-00-725-1103SMC502372-5 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3030-00-844-3305 INTERCHANGEABLE
Belt,v
5950-00-962-2853 INTERCHANGEABLE
Transformer,power
5310-01-109-280613461 INTERCHANGEABLE
Nut
Mcneil Ohio Corp
5315-01-226-7567 INTERCHANGEABLE
Key
5950-01-330-681161350-026 INTERCHANGEABLE
Transformer,audio Frequency
Dynalec Corporation
Cross-Reference Index
Part NumberManufacturer
20-16FBTX-S Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
0103-20-16 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
2021-20-16S PRIMARY Danfoss Power Solutions II, Llc (USA)
SAE-J514 Sae International Dba Sae International (USA)
16-20 070102C Society of Automotive Engineers Inc (USA)
13461 Bosch Automotive Service Solutions Inc. (USA)
SAE J514/1 20-16 070102CA PRIMARY Sae International Dba Sae International (USA)
0103-20-16 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
A1000C16-20 Lube Devices Inc Flodar Fluid Power Fittings Div (USA)
20-16 070102CA Sae International Dba Sae International (USA)
20-16FBTX-S Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
SAE-J514/1 Sae International Dba Sae International (USA)
J514 Sae International Dba Sae International (USA)
J514 Society of Automotive Engineers Inc (USA)
20-16 070102CA Society of Automotive Engineers Inc (USA)
SAE J514 20-16 070102CA Sae International Dba Sae International (USA)
Related Parts
5120-00-251-4489INTERCHANGEABLE
HAMMER,HAND
5950-00-518-3651INTERCHANGEABLE
TRANSFORMER,POWER
C53-57
5950-00-725-1103INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SMC502372-5
3030-00-844-3305INTERCHANGEABLE
BELT,V
5950-00-962-2853INTERCHANGEABLE
TRANSFORMER,POWER
5310-01-109-2806INTERCHANGEABLE
NUT
13461
5315-01-226-7567INTERCHANGEABLE
KEY
5950-01-330-6811INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
61350-026

Frequently Asked Questions

What is NSN 4730-00-194-1786?

NSN 4730-00-194-1786 is a Adapter,straight,pipe to Tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-194-1786?

NSN 4730-00-194-1786 has 16 cross-referenced part numbers: 20-16FBTX-S (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 0103-20-16 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 2021-20-16S (Danfoss Power Solutions II, Llc), SAE-J514 (Sae International Dba Sae International), 16-20 070102C (Society of Automotive Engineers Inc) and 11 more.

What NSN replaces 4730-00-194-1786?

There are 8 known substitutes for 4730-00-194-1786: 5120-00-251-4489, 5950-00-518-3651, 5950-00-725-1103 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2021-20-16S?

Key specifications for 2021-20-16S: Nominal Overall Length: 2.420 INCHES IN; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Specification/standard Data: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Thread Quantity Per Inch: 12 FIRST END. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-194-1786 still in active supply?

NSN 4730-00-194-1786 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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