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203699PCAY5B — HOSE ASSEMBLY,METALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

203699PCAY5B: HOSE ASSEMBLY,METALLIC.

The HOSE ASSEMBLY,METALLIC is a the manufacturer industrial component. Key specifications include temp_rating: 365.0 FAHRENHEIT SINGLE RESPONSE DEGF, flange_style: ROUND W / BOLT HOLES FIRST END, connection_type: PLAIN FACE FLANGE FIRST END, inside_diameter: 1.000 INCHES NOMINAL IN, connection_style: PLAIN FIRST END, flange_thickness: 0.500 INCHES NOMINAL FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-752-9996, 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
203699PCAY5B
NSN: 4720-00-752-9996
FSC: 4720 — Hose and Flexible Tubing
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
temp_rating365.0 FAHRENHEIT SINGLE RESPONSE DEGF
flange_styleROUND W / BOLT HOLES FIRST END
connection_typePLAIN FACE FLANGE FIRST END
inside_diameter1.000 INCHES NOMINAL IN
connection_stylePLAIN FIRST END
flange_thickness0.500 INCHES NOMINAL FIRST END IN
outside_diameter1.685 INCHES NOMINAL IN
special_features90 DEG ELBOW LOCATED 17.500 IN. FROM FIRST END IN
features_providedIDENTICAL ENDS
bolt_hole_diameter0.563 INCHES NOMINAL FIRST END IN
bolt_hole_quantity4 FIRST END
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
NSN4720-00-752-9996
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 203699PCAY5B · 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
•
MEASURING METHOD AND LENGTH: 35.000 INCHES NOMINAL WORKING IN
•
TEMP RATING: 365.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
FLANGE THICKNESS: 0.500 INCHES NOMINAL FIRST END IN
•
CONNECTION STYLE: PLAIN FIRST END
•
FLANGE OUTSIDE DIAMETER: 4.250 INCHES NOMINAL FIRST END IN
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER BRAIDED NICKEL COPPER ALLOY WIRE
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH35.000 INCHES NOMINAL WORKING IN
TEMP RATING365.0 FAHRENHEIT SINGLE RESPONSE DEGF
FLANGE THICKNESS0.500 INCHES NOMINAL FIRST END IN
CONNECTION STYLEPLAIN FIRST END
FLANGE OUTSIDE DIAMETER4.250 INCHES NOMINAL FIRST END IN
END CONNECTION DESIGNSTRAIGHT FIRST END
LAYER COMPOSITION AND LOCATIONOUTER LAYER BRAIDED NICKEL COPPER ALLOY WIRE
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED NICKEL COPPER ALLOY WIRE
CONNECTION TYPEPLAIN FACE FLANGE FIRST END
BOLT HOLE DIAMETER0.563 INCHES NOMINAL FIRST END IN
OTHER ITEMS IN FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080 4720-00-000-0081 4720-00-000-0084 4720-00-000-0724 4720-00-001-0014 4720-00-001-0015 4720-00-001-0023 4720-00-001-0025
SUBSTITUTES & CROSS-REFERENCES 3
73742-15X2PCASSY5BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
73655-15X1PCF20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
73742-15X2PCAY5BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 203699PCAY5B?
203699PCAY5B is a HOSE ASSEMBLY,METALLIC.
What parts can replace 203699PCAY5B?
There are 3 known substitutes for 203699PCAY5B: 73742-15X2PCASSY5B, 73655-15X1PCF20, 73742-15X2PCAY5B. Substitute compatibility should be verified for your specific system.
What is the NSN for 203699PCAY5B?
203699PCAY5B is cataloged in the U.S. Government catalog under NSN 4720-00-752-9996. 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.