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PartsTable / COMPONENT / M3520-B70C03G
M3520-B70C03G ✓ 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: 0.250 INCHES NOMINAL IN, material: STEEL, construction: STRAIGHT SEAMED, heat_treatment: NORMALIZED AND STRESS RELIEVED, wall_thickness: 0.032 INCHES NOMINAL IN, welding_method: DOUBLE SUBMERGED ARC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-289-8164, 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
M3520-B70C03G
NSN: 4710-00-289-8164
FSC: 4710
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
materialSTEEL
constructionSTRAIGHT SEAMED
heat_treatmentNORMALIZED AND STRESS RELIEVED
wall_thickness0.032 INCHES NOMINAL IN
welding_methodDOUBLE SUBMERGED ARC
first_end_stylePLAIN
surface_treatmentCOPPER OUTSIDE
cross-sectional_shape_stylePLAIN ROUND
nondefinitive_spec/std_data3 TYPE
second_end_relationship_with_first_endIDENTICAL
NSN4710-00-289-8164
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: M3520-B70C03G · 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
•
WELDING METHOD: DOUBLE SUBMERGED ARC
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
HEAT TREATMENT: NORMALIZED AND STRESS RELIEVED
•
WALL THICKNESS: 0.032 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN ROUND
•
FIRST END STYLE: PLAIN
•
DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
WELDING METHODDOUBLE SUBMERGED ARC
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
HEAT TREATMENTNORMALIZED AND STRESS RELIEVED
WALL THICKNESS0.032 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEPLAIN ROUND
FIRST END STYLEPLAIN
DIAMETER0.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA3 TYPE
CONSTRUCTIONSTRAIGHT SEAMED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
MILT3520Interchangeable
interchangeable cross-reference
interchangeable
ASTM A254Interchangeable
interchangeable cross-reference
interchangeable
44T531973Interchangeable
interchangeable cross-reference
interchangeable
M3520-B80E05GInterchangeable
interchangeable cross-reference
interchangeable
M3520-B70G08GInterchangeable
interchangeable cross-reference
interchangeable
44-8310-500-010Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M3520-B70C03G?
M3520-B70C03G is a TUBE,METALLIC.
What parts can replace M3520-B70C03G?
There are 13 known substitutes for M3520-B70C03G: MILT3520, ASTM A254, 44T531973 and 10 more. Substitute compatibility should be verified for your specific system.
Is M3520-B70C03G still available?
M3520-B70C03G 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