PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

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

Danfoss Power Solutions II, Llc · NSN 4730-00-541-0938 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-541-0938 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-541-0938. Primary manufacturer part number: 2021-16-16S.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Thread Size: 1.312 INCHES FIRST END IN
  • Thread Quantity Per Inch: 12 FIRST END
  • Thread Class: 3A FIRST END A
  • Nominal Thread Size: 1.000 INCHES SECOND END IN
  • Seat Angle: 37.0 DEGREES FIRST END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Style: FLARED (TUBE) FIRST END
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 4730-00-541-0938, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-541-0938
Primary Part Number2021-16-16S
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusACTIVE
Nominal Thread Size1.312 INCHES FIRST END IN
Thread Quantity Per Inch12 FIRST END
Thread Class3A FIRST END A
Nominal Thread Size1.000 INCHES SECOND END IN
Seat Angle37.0 DEGREES FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StyleFLARED (TUBE) FIRST END
Nominal Pipe Size Accommodated1.000 INCHES SECOND END IN
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Series DesignatorUN FIRST END
MaterialSTEEL OVERALL
Thread Series DesignatorNPTF SECOND END
Nominal Outside Diameter Tube Accommodated1.000 INCHES FIRST END IN
Surface TreatmentCADMIUM OVERALL
Nominal Overall Length2.219 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-718-2621 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-00-865-9251 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Cross-Reference Index
Part NumberManufacturer
TC15-1095 Anthony York Co (USA)
2021-16-16S PRIMARY Danfoss Power Solutions II, Llc (USA)
16FTX-S PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
0103-16-16 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
17-PS-2270-S Chicago Pneumatic Tool Co (USA)
A21449-45 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
0103-16-16 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
16FTX-S Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
1A21449 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
ADP749 Worthington Compressors Inc Air Power and Construction Equip Div (USA)
PS-2270 Chicago Pneumatic Tool Co (USA)
Related Parts
4730-00-718-2621INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-865-9251INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE

Frequently Asked Questions

What is NSN 4730-00-541-0938?

NSN 4730-00-541-0938 is a Adapter,straight,pipe to Tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-541-0938?

NSN 4730-00-541-0938 has 11 cross-referenced part numbers: TC15-1095 (Anthony York Co), 2021-16-16S (Danfoss Power Solutions II, Llc), 16FTX-S (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 0103-16-16 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 17-PS-2270-S (Chicago Pneumatic Tool Co) and 6 more.

What NSN replaces 4730-00-541-0938?

There are 2 known substitutes for 4730-00-541-0938: 4730-00-718-2621, 4730-00-865-9251. Verify interchangeability with system specifications before substitution.

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

Key specifications for 2021-16-16S: Nominal Thread Size: 1.312 INCHES FIRST END IN; Thread Quantity Per Inch: 12 FIRST END; Thread Class: 3A FIRST END A; Nominal Thread Size: 1.000 INCHES SECOND END IN. 16 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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