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Technical Data Sheet
PartsTable / COMPONENT / A1662-12S-12
A1662-12S-12 ✓ 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: 30.0 DEGREES FIRST END, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, exterior_color: BLACK, connection_type: THREADED EXTERNAL PIPE FIRST END, inside_diameter: 0.750 INCHES NOMINAL IN, connection_style: INVERTED FLARE FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-165-5879, 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
A1662-12S-12
NSN: 4720-01-165-5879
FSC: 4720
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
seat_angle30.0 DEGREES FIRST END
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
exterior_colorBLACK
connection_typeTHREADED EXTERNAL PIPE FIRST END
inside_diameter0.750 INCHES NOMINAL IN
connection_styleINVERTED FLARE FIRST END
outside_diameter1.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
features_providedREUSABLE END FITTINGS
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_size0.750 INCHES FIRST END IN
NSN4720-01-165-5879
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: A1662-12S-12 · 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
•
BURST TEST PRESSURE: 9000.0 POUNDS PER SQUARE INCH LBS
•
FEATURES PROVIDED: REUSABLE END FITTINGS
•
TEMP RATING: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
INSIDE SURFACE CONDITION: SMOOTH
•
CONNECTION STYLE: INVERTED FLARE FIRST END
•
OPERATING PRESSURE: 2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
BURST TEST PRESSURE9000.0 POUNDS PER SQUARE INCH LBS
FEATURES PROVIDEDREUSABLE END FITTINGS
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
INSIDE SURFACE CONDITIONSMOOTH
CONNECTION STYLEINVERTED FLARE FIRST END
OPERATING PRESSURE2250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
END CONNECTION DESIGNSTRAIGHT FIRST END
HYDROSTATIC TEST PRESSURE4500.0 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
1662Interchangeable
interchangeable cross-reference
interchangeable
661Interchangeable
interchangeable cross-reference
interchangeable
661BInterchangeable
interchangeable cross-reference
interchangeable
A-A-50553Interchangeable
interchangeable cross-reference
interchangeable
5320Interchangeable
interchangeable cross-reference
interchangeable
1924Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1662-12S-12?
A1662-12S-12 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace A1662-12S-12?
There are 21 known substitutes for A1662-12S-12: 1662, 661, 661B and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1662-12S-12?
A1662-12S-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-165-5879. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026