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Technical Data Sheet
PartsTable / O-RING / 23557 ITEM 15
23557 ITEM 15 ✓ 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

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, end_item_identification: CONTROL VALVE ASSEMBLY (0JKF4)23557;PUMP UNIT PE 2-1/2 AND 3 INCH IN, part_name_assigned_by_controlling_agency: O-RING 85.10X5.34. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-497-3441, 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
23557 ITEM 15
NSN: 5331-01-497-3441
FSC: 5331 — O-RING
CAGE: 0JKF4 — ULSTEIN USA INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
end_item_identificationCONTROL VALVE ASSEMBLY (0JKF4)23557;PUMP UNIT PE 2-1/2 AND 3 INCH IN
part_name_assigned_by_controlling_agencyO-RING 85.10X5.34
NSN5331-01-497-3441
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 23557 ITEM 15 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
KEY FEATURES
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONCONTROL VALVE ASSEMBLY (0JKF4)23557;PUMP UNIT PE 2-1/2 AND 3 INCH IN
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING 85.10X5.34
MATERIALRUBBER SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
21511Interchangeable
interchangeable cross-reference
interchangeable
200340Interchangeable
interchangeable cross-reference
interchangeable
7720154-101Interchangeable
interchangeable cross-reference
interchangeable
805300-24Interchangeable
interchangeable cross-reference
interchangeable
1377-VY18Interchangeable
interchangeable cross-reference
interchangeable
212-8719-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 23557 ITEM 15?
23557 ITEM 15 is a O-RING.
What parts can replace 23557 ITEM 15?
There are 8 known substitutes for 23557 ITEM 15: 21511, 200340, 7720154-101 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 23557 ITEM 15?
23557 ITEM 15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-497-3441. 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