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Technical Data Sheet
PartsTable / COMPONENT / 2173178
2173178 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 TUBING, design_form: PREBENT, wall_thickness: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN, mating_end_quantity: 3 ALL ENDS, end_connection_style: UNTHREADED EXTERNAL SECOND END, tube_outside_diameter: 0.362 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-01-052-5253, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
2173178
NSN: 4710-01-052-5253
FSC: 4710
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 321 TUBING
design_formPREBENT
wall_thickness0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
mating_end_quantity3 ALL ENDS
end_connection_styleUNTHREADED EXTERNAL SECOND END
tube_outside_diameter0.362 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
end_item_identificationF-111G ACFT G
material_document_and_classificationAMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING
NSN4710-01-052-5253
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 2173178 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WALL THICKNESS: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
•
MATING END QUANTITY: 3 ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING
•
MATERIAL: STEEL COMP 321 TUBING
•
END CONNECTION STYLE: UNTHREADED EXTERNAL FIRST END
•
TUBE OUTSIDE DIAMETER: 0.362 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
•
DESIGN FORM: PREBENT
TECHNICAL CHARACTERISTICS (FLIS)
WALL THICKNESS0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
MATING END QUANTITY3 ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING
MATERIALSTEEL COMP 321 TUBING
END CONNECTION STYLEUNTHREADED EXTERNAL FIRST END
TUBE OUTSIDE DIAMETER0.362 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
DESIGN FORMPREBENT
END ITEM IDENTIFICATIONF-111G ACFT G
END CONNECTION STYLESWIVEL NUT, FLARE THIRD END
END CONNECTION STYLEUNTHREADED EXTERNAL SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
58343Interchangeable
interchangeable cross-reference
interchangeable
N358030058Interchangeable
interchangeable cross-reference
interchangeable
35803-00-58Interchangeable
interchangeable cross-reference
interchangeable
7319129Interchangeable
interchangeable cross-reference
interchangeable
34519Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2173178?
2173178 is a TUBE ASSEMBLY,METAL.
What parts can replace 2173178?
There are 5 known substitutes for 2173178: 58343, N358030058, 35803-00-58 and 2 more. Substitute compatibility should be verified for your specific system.
Is 2173178 still available?
2173178 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026