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1656671 — TUBE,BENT,METALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

1656671: TUBE,BENT,METALLIC.

The TUBE,BENT,METALLIC is a the manufacturer industrial component. Key specifications include diameter: 0.500 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, construction: SEAMLESS, wall_thickness: 0.083 INCHES NOMINAL IN, first_end_style: THREADED INTERNAL, first_end_thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-494-8352, 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
1656671
NSN: 4710-00-494-8352
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
diameter0.500 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
constructionSEAMLESS
wall_thickness0.083 INCHES NOMINAL IN
first_end_styleTHREADED INTERNAL
first_end_thread_seriesUNF
cross-sectional_shape_stylePLAIN ROUND
first_end_nominal_thread_size0.375 INCHES IN
second_end_relationship_with_first_endIDENTICAL
NSN4710-00-494-8352
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 1656671 · 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
•
FIRST END STYLE: THREADED INTERNAL
•
FIRST END THREAD SERIES: UNF
•
DIAMETER: 0.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN ROUND
•
WALL THICKNESS: 0.083 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: STEEL CORROSION RESISTING
•
FIRST END NOMINAL THREAD SIZE: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
FIRST END STYLETHREADED INTERNAL
FIRST END THREAD SERIESUNF
DIAMETER0.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEPLAIN ROUND
WALL THICKNESS0.083 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALSTEEL CORROSION RESISTING
FIRST END NOMINAL THREAD SIZE0.375 INCHES IN
CONSTRUCTIONSEAMLESS
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: Terminal item — stock exhausted; no further procurementDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 1656671?
1656671 is a TUBE,BENT,METALLIC.
What is the NSN for 1656671?
1656671 is cataloged in the U.S. Government catalog under NSN 4710-00-494-8352. 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.