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Technical Data Sheet
PartsTable / COMPONENT / XTDA1663
XTDA1663 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include hole_diameter: 0.053 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN, outside_diameter: 0.650 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.053 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN, bolt_circle_diameter: 0.400 INCHES NOMINAL IN, special_test_features: SPECIAL QUALITY CONTROL TESTING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-362-0166, 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
XTDA1663
NSN: 4720-00-362-0166
FSC: 4720
CAGE: 21363 — BLUE TEE CORP. DBA GEFCO (USA)
SPECIFICATIONS
hole_diameter0.053 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
outside_diameter0.650 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.053 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
bolt_hole_quantity5
bolt_circle_diameter0.400 INCHES NOMINAL IN
special_test_featuresSPECIAL QUALITY CONTROL TESTING
departure_from_cited_documentAS MODIFIED BY MATERIAL AND LOCKING FEATURE
criticality_code_justificationZZZY
material_document_and_classificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
NSN4720-00-362-0166
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: XTDA1663 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
16T1651Interchangeable
interchangeable cross-reference
interchangeable
45000-250-18Interchangeable
interchangeable cross-reference
interchangeable
202699Interchangeable
interchangeable cross-reference
interchangeable
6951981Interchangeable
interchangeable cross-reference
interchangeable
9053714Interchangeable
interchangeable cross-reference
interchangeable
465014Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is XTDA1663?
XTDA1663 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace XTDA1663?
There are 29 known substitutes for XTDA1663: 16T1651, 45000-250-18, 202699 and 26 more. Substitute compatibility should be verified for your specific system.
Is XTDA1663 still available?
XTDA1663 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026