PartsTable
Technical Data Sheet
PartsTable / O-RING / 2-016 B612-7
2-016 B612-7 ✓ 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 ISOBUTYLENE-ISOPRENE CLASS IIR, outside_diameter: 0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN, center_hole_diameter: 0.605 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-458-8473, 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
2-016 B612-7
NSN: 5331-00-458-8473
FSC: 5331 — O-RING
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
outside_diameter0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
center_hole_diameter0.605 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-458-8473
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-016 B612-7 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: 0.605 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.605 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
7-755-016002Interchangeable
interchangeable cross-reference
interchangeable
346-0500-427Interchangeable
interchangeable cross-reference
interchangeable
2-016N552-90Interchangeable
interchangeable cross-reference
interchangeable
2-016-B612-70Interchangeable
Same NIIN cross-reference
interchangeable
2-16B318-7Interchangeable
Same NIIN cross-reference
interchangeable
AS568B-016Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-016 B612-7?
2-016 B612-7 is a O-RING.
What parts can replace 2-016 B612-7?
There are 8 known substitutes for 2-016 B612-7: 7-755-016002, 346-0500-427, 2-016N552-90 and 5 more. Substitute compatibility should be verified for your specific system.
Is 2-016 B612-7 still available?
2-016 B612-7 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