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8344735-PIECE-13 — TUBE,METALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

8344735-PIECE-13: TUBE,METALLIC.

The TUBE,METALLIC is a the manufacturer industrial component. Key specifications include diameter: 3.938 INCHES MINIMUM AND 3.940 INCHES MAXIMUM IN, material: STEEL, construction: SEAMLESS, wall_thickness: 0.281 INCHES NOMINAL IN, first_end_style: FLANGE, operating_pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. This part is cataloged in the U.S.

Government catalog under NSN 4710-01-023-0772, 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
8344735-PIECE-13
NSN: 4710-01-023-0772
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: D2049 — ANDRITZ HYDRO GMBH (DEU)
SPECIFICATIONS
diameter3.938 INCHES MINIMUM AND 3.940 INCHES MAXIMUM IN
materialSTEEL
constructionSEAMLESS
wall_thickness0.281 INCHES NOMINAL IN
first_end_styleFLANGE
operating_pressure2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_item_identificationUSED AS OUTER OIL TUBE IN TAIL SHAFT TO HUB 378 FT WHEC COAST GUARD VESSELS FT
cross-sectional_shape_stylePLAIN ROUND
measuring_method_and_length283.125 INCHES NOMINAL SPECIFIC IN
first_end_flange_outside_diameter6.500 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
NSN4710-01-023-0772
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 8344735-PIECE-13 · 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
•
MEASURING METHOD AND LENGTH: 283.125 INCHES NOMINAL SPECIFIC IN
•
FIRST END FLANGE OUTSIDE DIAMETER: 6.500 INCHES NOMINAL IN
•
FIRST END STYLE: FLANGE
•
DIAMETER: 3.938 INCHES MINIMUM AND 3.940 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN ROUND
•
WALL THICKNESS: 0.281 INCHES NOMINAL IN
•
OPERATING PRESSURE: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH283.125 INCHES NOMINAL SPECIFIC IN
FIRST END FLANGE OUTSIDE DIAMETER6.500 INCHES NOMINAL IN
FIRST END STYLEFLANGE
DIAMETER3.938 INCHES MINIMUM AND 3.940 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEPLAIN ROUND
WALL THICKNESS0.281 INCHES NOMINAL IN
OPERATING PRESSURE2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SPECIAL FEATURES16 HOLES DRILLED AND TAPPED 3/8 1NCH DIAMETER EQUALLY SPACED ON A 5 1/2 INCHES DIAMETER BOLT CIRCLE ON FIRST END. 16 HOLES DRILLED 13/32 INCH DIAMETER ON A 5 1/2 INCHES DIAMETER BOLT CIRCLE EQUALLY SPACED ON SECOND END. TO BE INSTALLED ON THE STERN TUBE SHAFT AS OUTER OIL TUBE IN
END ITEM IDENTIFICATIONUSED AS OUTER OIL TUBE IN TAIL SHAFT TO HUB 378 FT WHEC COAST GUARD VESSELS FT
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

No substitute or cross-reference records for this part.

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 8344735-PIECE-13?
8344735-PIECE-13 is a TUBE,METALLIC.
What is the NSN for 8344735-PIECE-13?
8344735-PIECE-13 is cataloged in the U.S. Government catalog under NSN 4710-01-023-0772. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
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.