PartsTable
Technical Data Sheet
PartsTable / O-RING / 878112
878112 ✓ 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 PUMP UNIT,ROTARY is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-166-1060, 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
878112
NSN: 5331-00-166-1060
FSC: 5331 — O-RING
CAGE: 90166 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
Part Number878112
NSN5331-00-166-1060
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 878112 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
04052333005791Interchangeable
interchangeable cross-reference
interchangeable
M83248/1-017Interchangeable
interchangeable cross-reference
interchangeable
ARP568-017MILR2 5897 CL1Interchangeable
interchangeable cross-reference
interchangeable
R49388-019GInterchangeable
interchangeable cross-reference
interchangeable
028-09377Interchangeable
interchangeable cross-reference
interchangeable
2-019V0747-75Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 878112?
878112 is a PUMP UNIT,ROTARY.
What parts can replace 878112?
There are 30 known substitutes for 878112: 04052333005791, M83248/1-017, ARP568-017MILR2 5897 CL1 and 27 more. Substitute compatibility should be verified for your specific system.
Is 878112 still available?
878112 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026