PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37758Tube Assembly,metal

Rtx Corporation Div Pratt & Whitney · NSN 4710-00-914-6074 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-914-6074 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-914-6074. Primary manufacturer part number: 37758.
Features
  • Tube Assembly,metal — FSC 4710
  • Wall Thickness: 0.035 INCHES NOMINAL IN
  • Mating End Quantity: 2 SINGLE END
  • Material Document and Classification: WW-T-700/4, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE TUBING
  • Thread Series Designator: UNF SINGLE END
  • FSC Application Data: ENGINE FUEL SYSTEM,NONACFT
  • Material: ALUMINUM ALLOY 5052 TUBING
  • Tube Outside Diameter: 0.250 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 5052 Tubing construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-00-914-6074, 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 Rtx Corporation Div Pratt & Whitney. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4710-00-914-6074
Primary Part Number37758
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerRtx Corporation Div Pratt & Whitney
StatusACTIVE
Wall Thickness0.035 INCHES NOMINAL IN
Mating End Quantity2 SINGLE END
Material Document and ClassificationWW-T-700/4, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE TUBING
Thread Series DesignatorUNF SINGLE END
FSC Application DataENGINE FUEL SYSTEM,NONACFT
MaterialALUMINUM ALLOY 5052 TUBING
Tube Outside Diameter0.250 INCHES NOMINAL IN
End Connection StyleSWIVEL NUT, FLARED SINGLE END
End Connection Spec/stdMIL,MS20819,PART NO. MS20819-6DAND AN,AN818,PART NO. AN818-4D
Seat Angle in Deg33.0 SINGLE END
Nominal Thread Size0.438 INCHES SINGLE END IN
Design FormPREBENT
MaterialALUMINUM ALLOY SINGLE END
Thread DirectionRIGHT-HAND SINGLE END
Thread Class3B SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-894-0571441104-1 INTERCHANGEABLE
Transformer,pulse
Raytheon Company Dba Raytheon
4820-01-045-8829N37758 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
37758-0 Rtx Corporation Div Pratt & Whitney (USA)
37758 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
5950-00-894-0571INTERCHANGEABLE
TRANSFORMER,PULSE
441104-1
4820-01-045-8829INTERCHANGEABLE
STEM,FLUID VALVE
N37758

Frequently Asked Questions

What is NSN 4710-00-914-6074?

NSN 4710-00-914-6074 is a Tube Assembly,metal, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-914-6074?

NSN 4710-00-914-6074 has 2 cross-referenced part numbers: 37758-0 (Rtx Corporation Div Pratt & Whitney), 37758 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 4710-00-914-6074?

There are 2 known substitutes for 4710-00-914-6074: 5950-00-894-0571, 4820-01-045-8829. Verify interchangeability with system specifications before substitution.

What are the specifications of 37758?

Key specifications for 37758: Wall Thickness: 0.035 INCHES NOMINAL IN; Mating End Quantity: 2 SINGLE END; Material Document and Classification: WW-T-700/4, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE TUBING; Thread Series Designator: UNF SINGLE END. 15 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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