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500674 — TUBE ASSEMBLY,GEARB

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

500674: TUBE ASSEMBLY,GEARB.

The TUBE ASSEMBLY,GEARB is a the manufacturer industrial component. Key specifications include fsc_application_data: ACFT ENGINE TF33, general_characteristics_item_description: COMPONENTS,TUBE P-N 500673,PLATE P-N 388939,FERRULE P-N 388940,FERRULE P-N 390073. This part is cataloged in the U.S.

Government catalog under NSN 4710-00-021-4991, 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
500674
NSN: 4710-00-021-4991
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 21890 — SMITHS TUBULAR SYSTEMS-LACONIA, INC. DIV LEWIS & SAUNDERS (USA)
SPECIFICATIONS
fsc_application_dataACFT ENGINE TF33
general_characteristics_item_descriptionCOMPONENTS,TUBE P-N 500673,PLATE P-N 388939,FERRULE P-N 388940,FERRULE P-N 390073
NSN4710-00-021-4991
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 500674 · 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
•
FSC APPLICATION DATA: ACFT ENGINE TF33
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: COMPONENTS,TUBE P-N 500673,PLATE P-N 388939,FERRULE P-N 388940,FERRULE P-N 390073
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAACFT ENGINE TF33
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCOMPONENTS,TUBE P-N 500673,PLATE P-N 388939,FERRULE P-N 388940,FERRULE P-N 390073
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: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 500674?
500674 is a TUBE ASSEMBLY,GEARB.
What is the NSN for 500674?
500674 is cataloged in the U.S. Government catalog under NSN 4710-00-021-4991. 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.