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Technical Data Sheet
PartsTable / COMPONENT / 4663A
4663A ✓ 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 KEEPER is a the manufacturer industrial component. Key specifications include material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY, hose_weight: 3.840 OUNCES PER LINEAR FOOT OZ, wall_thickness: 0.095 INCHES NOMINAL IN, connection_type: PREFORMED BOTH ENDS, inside_diameter: 1.750 INCHES NOMINAL FIRST END IN, connection_style: ROUND BOTH ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-472-1554, 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
4663A
NSN: 4720-00-472-1554
FSC: 4720
CAGE: 24161 — GATES CORPORATION (USA)
SPECIFICATIONS
materialFIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY
hose_weight3.840 OUNCES PER LINEAR FOOT OZ
wall_thickness0.095 INCHES NOMINAL IN
connection_typePREFORMED BOTH ENDS
inside_diameter1.750 INCHES NOMINAL FIRST END IN
connection_styleROUND BOTH ENDS
special_featuresUSED ON GRUMMAN A10 AIRCRAFT
style_designatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
end_overall_length1.500 INCHES NOMINAL BOTH ENDS IN
operating_pressure10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_inside_diameter1.750 INCHES NOMINAL BOTH ENDS IN
cross-sectional_shape_styleROUND
NSN4720-00-472-1554
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 4663A · 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
•
END OVERALL LENGTH: 1.500 INCHES NOMINAL BOTH ENDS IN
•
MATERIAL: STEEL REINFORCING CORD
•
MINIMUM INSIDE BENDING RADIUS: 2.000 INCHES IN
•
INSIDE DIAMETER: 1.750 INCHES NOMINAL FIRST END IN
•
STYLE DESIGNATOR: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
•
OPERATING PRESSURE: 10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
TECHNICAL CHARACTERISTICS (FLIS)
END OVERALL LENGTH1.500 INCHES NOMINAL BOTH ENDS IN
MATERIALSTEEL REINFORCING CORD
MATERIALFIBERGLASS AND RUBBER CHLOROPRENE CLASS CR COVER
MINIMUM INSIDE BENDING RADIUS2.000 INCHES IN
INSIDE DIAMETER1.750 INCHES NOMINAL FIRST END IN
MATERIALSTEEL REINFORCING WIRE
STYLE DESIGNATORHELICALLY WOUND CONTINOUS WIRE SUPPORTED
OPERATING PRESSURE10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
SPECIAL FEATURESUSED ON GRUMMAN A10 AIRCRAFT
CONNECTION STYLEROUND BOTH ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
JAN2N4922Interchangeable
interchangeable cross-reference
interchangeable
007003000Interchangeable
interchangeable cross-reference
interchangeable
1854-0389Interchangeable
interchangeable cross-reference
interchangeable
32039Interchangeable
interchangeable cross-reference
interchangeable
8AX1-18-528Interchangeable
interchangeable cross-reference
interchangeable
2363Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4663A?
4663A is a KEEPER.
What parts can replace 4663A?
There are 15 known substitutes for 4663A: JAN2N4922, 007003000, 1854-0389 and 12 more. Substitute compatibility should be verified for your specific system.
Is 4663A still available?
4663A 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