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PartsTable / COMPONENT / 608-4685638 ITEM 19
608-4685638 ITEM 19 ✓ 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 seat_angle: 12.0 DEGREES FIRST END, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3A FIRST END A, exterior_color: NATURAL, connection_type: THREADED EXTERNAL TUBE FIRST END, inside_diameter: 0.380 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-139-1672, 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
608-4685638 ITEM 19
NSN: 4720-01-139-1672
FSC: 4720
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
seat_angle12.0 DEGREES FIRST END
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3A FIRST END A
exterior_colorNATURAL
connection_typeTHREADED EXTERNAL TUBE FIRST END
inside_diameter0.380 INCHES NOMINAL IN
connection_stylePLAIN FIRST END
outside_diameter0.875 INCHES MAXIMUM IN
special_featuresOUTLET END,SPECIAL YOKE FOR FLASK CHARGING
thread_directionRIGHT-HAND FIRST END
operating_pressure2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure16000.0 POUNDS PER SQUARE INCH LBS
NSN4720-01-139-1672
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 608-4685638 ITEM 19 · 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 27
608-4685638ITEM23Interchangeable
interchangeable cross-reference
interchangeable
608-4685638Interchangeable
interchangeable cross-reference
interchangeable
879173250-0001Interchangeable
interchangeable cross-reference
interchangeable
4686183-000HInterchangeable
interchangeable cross-reference
interchangeable
87917-3250ITEM22Interchangeable
interchangeable cross-reference
interchangeable
608-4685638ITEM22Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 608-4685638 ITEM 19?
608-4685638 ITEM 19 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 608-4685638 ITEM 19?
There are 27 known substitutes for 608-4685638 ITEM 19: 608-4685638ITEM23, 608-4685638, 879173250-0001 and 24 more. Substitute compatibility should be verified for your specific system.
Is 608-4685638 ITEM 19 still available?
608-4685638 ITEM 19 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