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Technical Data Sheet
PartsTable / COMPONENT / MIL-T-0020155
MIL-T-0020155 ✓ 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,METALLIC is a the manufacturer industrial component. Key specifications include diameter: 6.625 INCHES NOMINAL IN, material: STEEL, construction: SEAMLESS, heat_treatment: NORMALIZED AND TEMPERED, wall_thickness: 0.120 INCHES NOMINAL IN, first_end_style: PLAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-203-9708, 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
MIL-T-0020155
NSN: 4710-00-203-9708
FSC: 4710
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter6.625 INCHES NOMINAL IN
materialSTEEL
constructionSEAMLESS
heat_treatmentNORMALIZED AND TEMPERED
wall_thickness0.120 INCHES NOMINAL IN
first_end_stylePLAIN
special_featuresHEAT TREATMENT NORMALIZED AND TEMPERED,GRADE P11
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
maximum_operating_temp468.3 CELSIUS DEGC
cross-sectional_shape_stylePLAIN ROUND
measuring_method_and_length144.000 INCHES MINIMUM RANDOM AND 288.000 INCHES MAXIMUM RANDOM IN
nondefinitive_spec/std_dataB TYPE
NSN4710-00-203-9708
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: MIL-T-0020155 · 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
•
MATERIAL: STEEL
•
DEPARTURE FROM CITED DOCUMENT: IN ADDITION TO PARAGRAPH 3.10,OD,WALL THICKNESS,LG,AND CONTRACT NO. ARE REQUIRED
•
NONDEFINITIVE SPEC/STD DATA: C TYPE
•
MEASURING METHOD AND LENGTH: 144.000 INCHES MINIMUM RANDOM AND 288.000 INCHES MAXIMUM RANDOM IN
•
OPERATING PRESSURE: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
DIAMETER: 2.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
DEPARTURE FROM CITED DOCUMENTIN ADDITION TO PARAGRAPH 3.10,OD,WALL THICKNESS,LG,AND CONTRACT NO. ARE REQUIRED
NONDEFINITIVE SPEC/STD DATAC TYPE
SPECIAL FEATURESHEAT TREATMENT NORMALIZED AND TEMPERED,GRADE P11
MEASURING METHOD AND LENGTH144.000 INCHES MINIMUM RANDOM AND 288.000 INCHES MAXIMUM RANDOM IN
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
DIAMETER2.375 INCHES NOMINAL IN
WALL THICKNESS0.120 INCHES NOMINAL IN
FIRST END STYLEPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
MIL-T-0020155Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-18165Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-24691/2Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-24691Interchangeable
interchangeable cross-reference
interchangeable
M24691/2 T53C245Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-T-0020155?
MIL-T-0020155 is a TUBE,METALLIC.
What parts can replace MIL-T-0020155?
There are 5 known substitutes for MIL-T-0020155: MIL-T-0020155, MIL-T-18165, MIL-P-24691/2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-T-0020155?
MIL-T-0020155 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-203-9708. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026