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Technical Data Sheet
PartsTable / O-RING / P16-0551
P16-0551 ✓ 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, center_hole_diameter: 2.099 INCHES MINIMUM AND 2.119 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-071-3409, 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
P16-0551
NSN: 5331-01-071-3409
FSC: 5331 — O-RING
CAGE: 18265 — DONALDSON COMPANY, INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter2.099 INCHES MINIMUM AND 2.119 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-01-071-3409
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P16-0551 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
•
CENTER HOLE DIAMETER: 2.099 INCHES MINIMUM AND 2.119 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER2.099 INCHES MINIMUM AND 2.119 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
NE9351Interchangeable
interchangeable cross-reference
interchangeable
15587Interchangeable
interchangeable cross-reference
interchangeable
A1-14578Interchangeable
interchangeable cross-reference
interchangeable
SCB98373Interchangeable
interchangeable cross-reference
interchangeable
14040Interchangeable
interchangeable cross-reference
interchangeable
3G7242Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P16-0551?
P16-0551 is a O-RING.
What parts can replace P16-0551?
There are 9 known substitutes for P16-0551: NE9351, 15587, A1-14578 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P16-0551?
P16-0551 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-071-3409. 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