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4781249 ✓ 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 connection_type: THREADED INTERNAL TUBE ALL ENDS, connection_style: SWIVEL NUT FLARE ALL ENDS, outside_diameter: 0.750 INCHES NOMINAL IN, end_connection_design: STRAIGHT ALL ENDS, end_item_identification: 2320-01-534-2228, media_for_which_designed: HYDRAULIC FLUID SINGLE RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-686-4777, 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
4781249
NSN: 4720-01-686-4777
FSC: 4720
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
connection_typeTHREADED INTERNAL TUBE ALL ENDS
connection_styleSWIVEL NUT FLARE ALL ENDS
outside_diameter0.750 INCHES NOMINAL IN
end_connection_designSTRAIGHT ALL ENDS
end_item_identification2320-01-534-2228
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
cross-sectional_shape_styleROUND
measuring_method_and_length46.0 INCHES NOMINAL EXCLUDING END FITTINGS IN
layer_composition_and_location1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
part_name_assigned_by_controlling_agencyHOSE ASSEMBLY NO. 12 CR 49.5
NSN4720-01-686-4777
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 4781249 · 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
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID SINGLE RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
CONNECTION TYPE: THREADED INTERNAL TUBE ALL ENDS
•
END CONNECTION DESIGN: STRAIGHT ALL ENDS
•
CONNECTION STYLE: SWIVEL NUT FLARE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYHOSE ASSEMBLY NO. 12 CR 49.5
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUND
END ITEM IDENTIFICATION2320-01-534-2228
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
CONNECTION TYPETHREADED INTERNAL TUBE ALL ENDS
END CONNECTION DESIGNSTRAIGHT ALL ENDS
CONNECTION STYLESWIVEL NUT FLARE ALL ENDS
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
MEASURING METHOD AND LENGTH46.0 INCHES NOMINAL EXCLUDING END FITTINGS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
24005Interchangeable
interchangeable cross-reference
interchangeable
668-0952Interchangeable
interchangeable cross-reference
interchangeable
405Interchangeable
interchangeable cross-reference
interchangeable
4F217Interchangeable
interchangeable cross-reference
interchangeable
0114-3Interchangeable
interchangeable cross-reference
interchangeable
4D146Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4781249?
4781249 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 4781249?
There are 7 known substitutes for 4781249: 24005, 668-0952, 405 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4781249?
4781249 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-686-4777. 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