PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40520-1Tube Assembly,metal

Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc · NSN 4710-01-204-9822 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-01-204-9822 — this item is cataloged by the U.S. Government under National Stock Number 4710-01-204-9822. Primary manufacturer part number: 40520-1.
Features
  • Tube Assembly,metal — FSC 4710
  • Material: STEEL COMP 304 TUBING
  • Material Document and Classification: MIL-T-8504, COMP 304 MIL SPEC SINGLE MATERIAL RESPONSE TUBING
  • Mating End Quantity: 2 SINGLE END
  • Tube Outside Diameter: 0.188 INCHES NOMINAL IN
  • Wall Thickness: 0.035 INCHES NOMINAL IN
  • Design Form: PREBENT
  • 1 verified cross-reference
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 304 Tubing construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-01-204-9822, 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 Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-01-204-9822
Primary Part Number40520-1
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerMeggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
StatusACTIVE
MaterialSTEEL COMP 304 TUBING
Material Document and ClassificationMIL-T-8504, COMP 304 MIL SPEC SINGLE MATERIAL RESPONSE TUBING
Mating End Quantity2 SINGLE END
Tube Outside Diameter0.188 INCHES NOMINAL IN
Wall Thickness0.035 INCHES NOMINAL IN
Design FormPREBENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5995-00-557-367140520-1 INTERCHANGEABLE
Lead Assembly,electrical
Honeywell International Inc. Div Aerospace - Torrance
6220-01-154-543640520-1 INTERCHANGEABLE
Light,navigational,marine
Glamox Aqua Signal Corporation
3110-01-268-3608100104-56 INTERCHANGEABLE
Bearing,ball,annular
Meggitt North Hollywood Inc
Cross-Reference Index
Part NumberManufacturer
40520-1 PRIMARY Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA)
Related Parts
5995-00-557-3671INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
40520-1
6220-01-154-5436INTERCHANGEABLE
LIGHT,NAVIGATIONAL,MARINE
40520-1
3110-01-268-3608INTERCHANGEABLE
BEARING,BALL,ANNULAR
100104-56

Frequently Asked Questions

What is NSN 4710-01-204-9822?

NSN 4710-01-204-9822 is a Tube Assembly,metal, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-01-204-9822?

NSN 4710-01-204-9822 has 1 cross-referenced part number: 40520-1 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).

What NSN replaces 4710-01-204-9822?

There are 3 known substitutes for 4710-01-204-9822: 5995-00-557-3671, 6220-01-154-5436, 3110-01-268-3608. Verify interchangeability with system specifications before substitution.

What are the specifications of 40520-1?

Key specifications for 40520-1: Material: STEEL COMP 304 TUBING; Material Document and Classification: MIL-T-8504, COMP 304 MIL SPEC SINGLE MATERIAL RESPONSE TUBING; Mating End Quantity: 2 SINGLE END; Tube Outside Diameter: 0.188 INCHES NOMINAL IN. 6 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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