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3780633 — TUBE ASSEMBLY,METAL

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

3780633: TUBE ASSEMBLY,METAL.

The TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: STEEL TUBING, design_form: PREBENT, wall_thickness: 1.60 MILLIMETERS MINIMUM MM, special_features: OUTSIDE DIAMETER: 35MM, INTERNAL DIAMETER: 31MM, SMALLEST THICKNESS OF MATERIAL: 1.6MM MM, mating_end_quantity: 2 SINGLE END, special_test_features: MATERIAL: CARBON STEEL TUBE, EN10305-4,E235. This part is cataloged in the U.S.

Government catalog under NSN 4710-01-511-6727, 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
3780633
NSN: 4710-01-511-6727
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 4H951 — SOUTHWESTERN CONTROLS DIV OF SOUTHWESTERN MFG CO (USA)
SPECIFICATIONS
materialSTEEL TUBING
design_formPREBENT
wall_thickness1.60 MILLIMETERS MINIMUM MM
special_featuresOUTSIDE DIAMETER: 35MM, INTERNAL DIAMETER: 31MM, SMALLEST THICKNESS OF MATERIAL: 1.6MM MM
mating_end_quantity2 SINGLE END
special_test_featuresMATERIAL: CARBON STEEL TUBE, EN10305-4,E235
tube_outside_diameter40.0 MILLIMETERS NOMINAL MM
supplementary_featuresMAX WORKING PRESSURE: 10 BAR
end_item_identificationFMTV
specification/standard_data05047-ASME Y14.100-2004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND ASME Y14.5-2009 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
part_name_assigned_by_controlling_agencyFITTING, SUCTION, 45 DEGREE
NSN4710-01-511-6727
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3780633 · 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
•
DESIGN FORM: PREBENT
•
MATING END QUANTITY: 2 SINGLE END
•
SPECIAL TEST FEATURES: MATERIAL: CARBON STEEL TUBE, EN10305-4,E235
•
SUPPLEMENTARY FEATURES: MAX WORKING PRESSURE: 10 BAR
•
WALL THICKNESS: 1.60 MILLIMETERS MINIMUM MM
•
SPECIFICATION/STANDARD DATA: 05047-ASME Y14.100-2004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND ASME Y14.5-2009 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
TUBE OUTSIDE DIAMETER: 40.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
DESIGN FORMPREBENT
MATING END QUANTITY2 SINGLE END
SPECIAL TEST FEATURESMATERIAL: CARBON STEEL TUBE, EN10305-4,E235
SUPPLEMENTARY FEATURESMAX WORKING PRESSURE: 10 BAR
WALL THICKNESS1.60 MILLIMETERS MINIMUM MM
SPECIFICATION/STANDARD DATA05047-ASME Y14.100-2004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND ASME Y14.5-2009 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TUBE OUTSIDE DIAMETER40.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURESOUTSIDE DIAMETER: 35MM, INTERNAL DIAMETER: 31MM, SMALLEST THICKNESS OF MATERIAL: 1.6MM MM
PART NAME ASSIGNED BY CONTROLLING AGENCYFITTING, SUCTION, 45 DEGREE
END ITEM IDENTIFICATIONFMTV
OTHER ITEMS IN FSC 4710 — Pipe, Tube and Rigid Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4710-00-001-0080 4710-00-001-0081 4710-00-001-0082 4710-00-001-1229 4710-00-001-1676 4710-00-001-1686 4710-00-001-1688 4710-00-001-1691
SUBSTITUTES & CROSS-REFERENCES 2
12485829Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1248529Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3780633?
3780633 is a TUBE ASSEMBLY,METAL.
What parts can replace 3780633?
There are 2 known substitutes for 3780633: 12485829, 1248529. Substitute compatibility should be verified for your specific system.
What is the NSN for 3780633?
3780633 is cataloged in the U.S. Government catalog under NSN 4710-01-511-6727. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.