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3778278 — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

3778278: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include temp_rating: 450.0 FAHRENHEIT SECOND RESPONSE DEGF, connection_type: THREADED INTERNAL HOSE ALL ENDS, inside_diameter: 0.870 INCHES NOMINAL IN, connection_style: PLAIN SWIVEL ALL ENDS, outside_diameter: 1.030 INCHES NOMINAL IN, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-616-0392, 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
3778278
NSN: 4720-01-616-0392
FSC: 4720 — Hose and Flexible Tubing
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
temp_rating450.0 FAHRENHEIT SECOND RESPONSE DEGF
connection_typeTHREADED INTERNAL HOSE ALL ENDS
inside_diameter0.870 INCHES NOMINAL IN
connection_stylePLAIN SWIVEL ALL ENDS
outside_diameter1.030 INCHES NOMINAL IN
thread_directionRIGHT-HAND ALL ENDS
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure4000.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size1.3125 INCHES ALL ENDS IN
end_connection_designSTRAIGHT ALL ENDS
media_for_which_designedCHEMICAL FIRST RESPONSE
thread_quantity_per_inch12 ALL ENDS
NSN4720-01-616-0392
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3778278 · 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: 122.0 INCHES NOMINAL OVERALL IN
•
TEMP RATING: 450.0 FAHRENHEIT SECOND RESPONSE DEGF
•
MINIMUM INSIDE BENDING RADIUS: 9.0 INCHES IN
•
CONNECTION STYLE: PLAIN SWIVEL ALL ENDS
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.87 INCHES ALL ENDS IN
•
END CONNECTION DESIGN: STRAIGHT ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL HOSE ALL ENDS
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH122.0 INCHES NOMINAL OVERALL IN
TEMP RATING450.0 FAHRENHEIT SECOND RESPONSE DEGF
TEMP RATING-100.0 FAHRENHEIT FIRST RESPONSE DEGF
MINIMUM INSIDE BENDING RADIUS9.0 INCHES IN
CONNECTION STYLEPLAIN SWIVEL ALL ENDS
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.87 INCHES ALL ENDS IN
END CONNECTION DESIGNSTRAIGHT ALL ENDS
CONNECTION TYPETHREADED INTERNAL HOSE ALL ENDS
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER1.030 INCHES NOMINAL 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 1
P9190606161616-122Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3778278?
3778278 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 3778278?
There is 1 known substitute for 3778278: P9190606161616-122. Substitute compatibility should be verified for your specific system.
What is the NSN for 3778278?
3778278 is cataloged in the U.S. Government catalog under NSN 4720-01-616-0392. 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.