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H1-EC12-12NJ-12NJ-28 — Technical Data Sheet

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— · 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: 37.0 DEGREES FIRST END, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, inside_diameter: 0.750 INCHES NOMINAL IN, connection_style: SWIVEL NUT FLARE FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4720-01-139-1851, 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
H1-EC12-12NJ-12NJ-28
NSN: 4720-01-139-1851
FSC: 4720
CAGE: 09505 — DAYCO INDUSTRIAL (CAN)
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.750 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter1.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
operating_pressure2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure9000.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size1.062 INCHES FIRST END IN
end_connection_designSTRAIGHT FIRST END
NSN4720-01-139-1851
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: H1-EC12-12NJ-12NJ-28 · 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
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
THREAD CLASS: 3B FIRST END
•
MEASURING METHOD AND LENGTH: 28.000 INCHES NOMINAL OVERALL IN
•
MINIMUM INSIDE BENDING RADIUS: 9.500 INCHES IN
•
OUTER COVERING ENVIRONMENTAL PROTECTION: OIL RESISTANT AND WEATHERPROOF
•
THREAD SERIES DESIGNATOR: UN FIRST END
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
INSIDE DIAMETER0.750 INCHES NOMINAL IN
THREAD CLASS3B FIRST END
MEASURING METHOD AND LENGTH28.000 INCHES NOMINAL OVERALL IN
MINIMUM INSIDE BENDING RADIUS9.500 INCHES IN
OUTER COVERING ENVIRONMENTAL PROTECTIONOIL RESISTANT AND WEATHERPROOF
THREAD SERIES DESIGNATORUN FIRST END
THREAD QUANTITY PER INCH12 FIRST END
BURST TEST PRESSURE9000.0 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
11-6187-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
42211InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
KELKLAVE 422-11InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
70051-1 ITEM 12InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
03-13401-501InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
53611InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H1-EC12-12NJ-12NJ-28?
H1-EC12-12NJ-12NJ-28 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace H1-EC12-12NJ-12NJ-28?
There are 9 known substitutes for H1-EC12-12NJ-12NJ-28: 11-6187-2, 42211, KELKLAVE 422-11 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H1-EC12-12NJ-12NJ-28?
H1-EC12-12NJ-12NJ-28 is cataloged in the Federal Logistics Information System under NSN 4720-01-139-1851. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026