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1KK126 — 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 flow_angle: 90.0 DEGREES FIRST END, connection_type: UNTHREADED EXTERNAL TUBE FIRST END, inside_diameter: 0.750 INCHES NOMINAL IN, special_features: END FITTINGS EXTERNAL BEADED TUBE TYPE WITH NUTS, USE O'RINGS TO SEA; HOSE HAS HEAT RESISTANT SLEEVE OVER COVER, end_connection_design: ELBOW FIRST END, end_item_identification: 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-513-8750, 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
1KK126
NSN: 4720-01-513-8750
FSC: 4720
CAGE: 5N978 — THERMA-TECH ENGINEERING INC DBA THERMATECH AR LINTERN (USA)
SPECIFICATIONS
flow_angle90.0 DEGREES FIRST END
connection_typeUNTHREADED EXTERNAL TUBE FIRST END
inside_diameter0.750 INCHES NOMINAL IN
special_featuresEND FITTINGS EXTERNAL BEADED TUBE TYPE WITH NUTS, USE O'RINGS TO SEA; HOSE HAS HEAT RESISTANT SLEEVE OVER COVER
end_connection_designELBOW FIRST END
end_item_identification2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER)
inside_surface_conditionSMOOTH
media_for_which_designedREFRIGERANT 12 SINGLE RESPONSE
cross-sectional_shape_styleROUND
measuring_method_and_length36.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
outer_covering_environmental_protectionHEAT RESISTANT
part_name_assigned_by_controlling_agencyHOSE LIQUID
NSN4720-01-513-8750
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 1KK126 · 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
•
INSIDE SURFACE CONDITION: SMOOTH
•
END CONNECTION DESIGN: ELBOW FIRST END
•
MEASURING METHOD AND LENGTH: 36.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
•
OUTER COVERING ENVIRONMENTAL PROTECTION: HEAT RESISTANT
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER)
INSIDE SURFACE CONDITIONSMOOTH
PART NAME ASSIGNED BY CONTROLLING AGENCYHOSE LIQUID
END CONNECTION DESIGNELBOW FIRST END
MEASURING METHOD AND LENGTH36.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
END CONNECTION DESIGNSTRAIGHT SECOND END
OUTER COVERING ENVIRONMENTAL PROTECTIONHEAT RESISTANT
SPECIAL FEATURESEND FITTINGS EXTERNAL BEADED TUBE TYPE WITH NUTS, USE O'RINGS TO SEA; HOSE HAS HEAT RESISTANT SLEEVE OVER COVER
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES SECOND END IN
FLOW ANGLE90.0 DEGREES FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
M6290-18Interchangeable
interchangeable cross-reference
interchangeable
6490Interchangeable
interchangeable cross-reference
interchangeable
22007Interchangeable
interchangeable cross-reference
interchangeable
123-1056Interchangeable
interchangeable cross-reference
interchangeable
6615NCM060265Interchangeable
interchangeable cross-reference
interchangeable
06-0339Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1KK126?
1KK126 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 1KK126?
There are 7 known substitutes for 1KK126: M6290-18, 6490, 22007 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1KK126?
1KK126 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-513-8750. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026