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PH261590 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

PARTS KIT,SEAL REPLACEMENT,MECHA. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-575-4052, 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
PH261590
NSN: 5330-01-575-4052
FSC: 5330
CAGE: 5CTU4 — WHEELER, MICHAEL N DBA PHOENIX HYDRAULICS AND CONTROLS (USA)
SPECIFICATIONS
end_item_identificationBRAKE CROSS CONNECT MANIFOLD PH260700; MSW CNTR BRAKE PORT MANIFOLD PH260790; MSW CNTRL BRAKE STBD MANIFOLD PH260800; MCR CONTROL MANIFOLD PH260780
NSN5330-01-575-4052
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PH261590 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONBRAKE CROSS CONNECT MANIFOLD PH260700; MSW CNTR BRAKE PORT MANIFOLD PH260790; MSW CNTRL BRAKE STBD MANIFOLD PH260800; MCR CONTROL MANIFOLD PH260780
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
041528Interchangeable
interchangeable cross-reference
interchangeable
990-010-006Interchangeable
interchangeable cross-reference
interchangeable
10560435Interchangeable
interchangeable cross-reference
interchangeable
194666Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PH261590?
PH261590 is a PARTS KIT,SEAL REPLACEMENT,MECHA.
What parts can replace PH261590?
There are 4 known substitutes for PH261590: 041528, 990-010-006, 10560435 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PH261590?
PH261590 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-575-4052. 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