PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1224C0738Tube and Fittings,metallic

Lockheed Martin Corporation Div Rms · NSN 4710-01-361-2538 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-01-361-2538 — this item is cataloged by the U.S. Government under National Stock Number 4710-01-361-2538. Primary manufacturer part number: 1224C0738.
Features
  • Tube and Fittings,metallic — FSC 4710
  • End Connection Style: FLARED SINGLE END
  • Material: NICKEL ALLOY 400 TUBING
  • Material Document and Classification: MIL-T-1368 MIL SPEC 1ST MATERIAL RESPONSE SINGLE END
  • Thread Class: 3A SINGLE END A
  • Wall Thickness: 0.068 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND SINGLE END
  • Design Form: STRAIGHT
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Nickel Alloy 400 Tubing construction
General Description

The Tube and Fittings,metallic, cataloged under National Stock Number 4710-01-361-2538, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 14 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-01-361-2538
Primary Part Number1224C0738
Item NameTube and Fittings,metallic
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusACTIVE
End Connection StyleFLARED SINGLE END
MaterialNICKEL ALLOY 400 TUBING
Material Document and ClassificationMIL-T-1368 MIL SPEC 1ST MATERIAL RESPONSE SINGLE END
Thread Class3A SINGLE END A
Wall Thickness0.068 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND SINGLE END
Design FormSTRAIGHT
Seat Angle in Deg45.0 SINGLE END
Mating End Quantity1 SINGLE END
Tube Outside Diameter0.405 INCHES NOMINAL IN
Material Document and ClassificationMIL-T-1368 MIL SPEC SINGLE MATERIAL RESPONSE TUBING
Nominal Thread Size0.500 INCHES SINGLE END IN
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END
MaterialNICKEL ALLOY 400 SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-166-84112-220V0747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
1224C0738 Lockheed Martin Corporation Div Rms (USA)
1224C0738 Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems (USA)
Related Parts
5331-00-166-8411INTERCHANGEABLE
O-RING
2-220V0747-75

Frequently Asked Questions

What is NSN 4710-01-361-2538?

NSN 4710-01-361-2538 is a Tube and Fittings,metallic, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-01-361-2538?

NSN 4710-01-361-2538 has 2 cross-referenced part numbers: 1224C0738 (Lockheed Martin Corporation Div Rms), 1224C0738 (Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems).

What NSN replaces 4710-01-361-2538?

There is 1 known substitute for 4710-01-361-2538: 5331-00-166-8411. Verify interchangeability with system specifications before substitution.

What are the specifications of 1224C0738?

Key specifications for 1224C0738: End Connection Style: FLARED SINGLE END; Material: NICKEL ALLOY 400 TUBING; Material Document and Classification: MIL-T-1368 MIL SPEC 1ST MATERIAL RESPONSE SINGLE END; Thread Class: 3A SINGLE END A. 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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