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26KP859 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The FILTERING DISK,FLUID is a the manufacturer industrial component. Key specifications include end_item_identification: 2320-01-543-0651;TRUCK,WRECKER,LVSR, part_name_assigned_by_controlling_agency: COUPLING-DRIVE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-606-0557, 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
26KP859
NSN: 4730-01-606-0557
FSC: 4730
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
end_item_identification2320-01-543-0651;TRUCK,WRECKER,LVSR
part_name_assigned_by_controlling_agencyCOUPLING-DRIVE
NSN4730-01-606-0557
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 26KP859 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYCOUPLING-DRIVE
END ITEM IDENTIFICATION2320-01-543-0651;TRUCK,WRECKER,LVSR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
44142Interchangeable
interchangeable cross-reference
interchangeable
C01030Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYCInterchangeable
interchangeable cross-reference
interchangeable
13372Interchangeable
interchangeable cross-reference
interchangeable
13371Interchangeable
interchangeable cross-reference
interchangeable
B18.3.2MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26KP859?
26KP859 is a FILTERING DISK,FLUID.
What parts can replace 26KP859?
There are 8 known substitutes for 26KP859: 44142, C01030, GGG-D-751 TYC and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26KP859?
26KP859 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-606-0557. 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