PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21666Tube Assembly,metal

Triumph Controls, Llc Dba Triumph Controls, Llc · NSN 4710-00-010-9595 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-010-9595 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-010-9595. Primary manufacturer part number: 21666.
Features
  • Tube Assembly,metal — FSC 4710
  • Wall Thickness: 0.077 INCHES NOMINAL IN
  • Nominal Thread Size: 0.500 INCHES SINGLE END IN
  • Design Form: PREBENT
  • Mating End Quantity: 2 SINGLE END
  • Thread Series Designator: UNF SINGLE END
  • Material: ALUMINUM ALLOY SINGLE END
  • Tube Outside Diameter: 0.271 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy Single End construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-00-010-9595, is classified within Federal Supply Class 4710 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Triumph Controls, Llc Dba Triumph Controls, Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-00-010-9595
Primary Part Number21666
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerTriumph Controls, Llc Dba Triumph Controls, Llc
StatusACTIVE
Wall Thickness0.077 INCHES NOMINAL IN
Nominal Thread Size0.500 INCHES SINGLE END IN
Design FormPREBENT
Mating End Quantity2 SINGLE END
Thread Series DesignatorUNF SINGLE END
MaterialALUMINUM ALLOY SINGLE END
Tube Outside Diameter0.271 INCHES NOMINAL IN
Seat Angle in Deg33.0 SINGLE END
MaterialALUMINUM ALLOY TUBING
End Connection StyleUNTHREADED INTERNAL SINGLE END
Thread Class3B SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4320-00-071-198224217 INTERCHANGEABLE
Impeller,pump,centrifugal
Industrial Technologies and Services Llc
3805-00-447-358221666 INTERCHANGEABLE
Line Assembly
Komatsu America Corporation
6620-00-792-0794058605 INTERCHANGEABLE
Transmitter,pressure
Allianz Sweeper Company
5360-01-171-60781622 INTERCHANGEABLE
Spring
Forenta Lp
4810-01-185-440421116 INTERCHANGEABLE
Head,port
Moog Inc. Dba Ampac-Isp Corp
3040-01-304-558721666 INTERCHANGEABLE
Gearshaft,spur
Parker Hannifin Corp Dba Pneutronics
Cross-Reference Index
Part NumberManufacturer
21666 PRIMARY Triumph Controls, Llc Dba Triumph Controls, Llc (USA)
S6127-61006-2 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
Related Parts
4320-00-071-1982INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
24217
3805-00-447-3582INTERCHANGEABLE
LINE ASSEMBLY
21666
6620-00-792-0794INTERCHANGEABLE
TRANSMITTER,PRESSURE
058605
5360-01-171-6078INTERCHANGEABLE
SPRING
1622
4810-01-185-4404INTERCHANGEABLE
HEAD,PORT
21116
3040-01-304-5587INTERCHANGEABLE
GEARSHAFT,SPUR
21666

Frequently Asked Questions

What is NSN 4710-00-010-9595?

NSN 4710-00-010-9595 is a Tube Assembly,metal, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-010-9595?

NSN 4710-00-010-9595 has 2 cross-referenced part numbers: 21666 (Triumph Controls, Llc Dba Triumph Controls, Llc), S6127-61006-2 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What NSN replaces 4710-00-010-9595?

There are 6 known substitutes for 4710-00-010-9595: 4320-00-071-1982, 3805-00-447-3582, 6620-00-792-0794 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21666?

Key specifications for 21666: Wall Thickness: 0.077 INCHES NOMINAL IN; Nominal Thread Size: 0.500 INCHES SINGLE END IN; Design Form: PREBENT; Mating End Quantity: 2 SINGLE END. 11 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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