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Technical Data Sheet
PartsTable / COMPONENT / 50N78
50N78 ✓ 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 diameter: 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN, material: RUBBER SYNTHETIC TUBE, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, load_rating: 2.750 POUNDS NOMINAL LBS, temp_rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, coil_quantity: 15. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-670-6037, 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
50N78
NSN: 4720-00-670-6037
FSC: 4720
CAGE: 05643 — BARBER-GREENE CO (USA)
SPECIFICATIONS
diameter0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
materialRUBBER SYNTHETIC TUBE
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
load_rating2.750 POUNDS NOMINAL LBS
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
coil_quantity15
overall_width0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
pole_quantity2
inside_diameter0.500 INCHES NOMINAL IN
outside_diameter0.750 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
NSN4720-00-670-6037
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 50N78 · 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 24
25658Interchangeable
interchangeable cross-reference
interchangeable
25588Interchangeable
interchangeable cross-reference
interchangeable
O-C-265Interchangeable
interchangeable cross-reference
interchangeable
2088Interchangeable
interchangeable cross-reference
interchangeable
6770Interchangeable
interchangeable cross-reference
interchangeable
4164Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50N78?
50N78 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 50N78?
There are 24 known substitutes for 50N78: 25658, 25588, O-C-265 and 21 more. Substitute compatibility should be verified for your specific system.
Is 50N78 still available?
50N78 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