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Technical Data Sheet
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673997 — 673997

✓ Government record, cited
DANA COMMERCIAL VEHICLE MANUFACTURING LLC · PIPE SECTION
PRODUCT OVERVIEW

673997: 673997.

The 673997 is a DANA COMMERCIAL VEHICLE MANUFACTURING LLC industrial component. This part is cataloged in the U.S. Government catalog under NSN 4720-01-453-2027, 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
673997
NSN: 4720-01-453-2027
FSC: 4720 — Hose and Flexible Tubing
CAGE: 9R200 — DANA COMMERCIAL VEHICLE MANUFACTURING LLC (USA)
SPECIFICATIONS
Part Number673997
ManufacturerDANA COMMERCIAL VEHICLE MANUFACTURING LLC
NSN4720-01-453-2027
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 673997 · DANA COMMERCIAL VEHICLE MANUFACTURING LLC ⚠ 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESPART OF VALVE ASSEMBLY CTIS; HOSE ASSY CTIS 20MM MM
END ITEM IDENTIFICATION2320-01-353-9098 CAGE 19207 W/S CODE XD TRUCK, FAMILY OF MEDIUM TACTICAL VEHICLE (FMTV) - LIGHT W
SUBSTITUTES & CROSS-REFERENCES 6
12417339 ITEM 2Reference document
Same NSN cross-reference
Reference document — Secondary reference
12417915Reference document
Same NSN cross-reference
Reference document — Secondary reference
12417339-001 ITEM 2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
673223Reference document
Same NSN cross-reference
Reference document — Secondary reference
4720014532027Reference document
Same NSN cross-reference
Reference document — Informative reference only
12417339Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 673997?
673997 is a 673997 manufactured by DANA COMMERCIAL VEHICLE MANUFACTURING LLC.
What parts can replace 673997?
There are 6 known substitutes for 673997: 12417339 ITEM 2, 12417915, 12417339-001 ITEM 2 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 673997?
673997 is cataloged in the U.S. Government catalog under NSN 4720-01-453-2027. 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.