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Technical Data Sheet
PartsTable / O-RING / STD3000B19
STD3000B19 ✓ 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 SILICONE CLASS Q, outside_diameter: 1.262 INCHES NOMINAL IN, center_hole_diameter: 0.978 INCHES MINIMUM AND 0.990 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 5331-00-618-0490, 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
STD3000B19
NSN: 5331-00-618-0490
FSC: 5331 — O-RING
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
outside_diameter1.262 INCHES NOMINAL IN
center_hole_diameter0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-618-0490
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: STD3000B19 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: 0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.262 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.978 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.262 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
AMS3209Interchangeable
interchangeable cross-reference
interchangeable
2-214C873-70Interchangeable
interchangeable cross-reference
interchangeable
2-214C557-7Interchangeable
interchangeable cross-reference
interchangeable
4680-214Interchangeable
interchangeable cross-reference
interchangeable
772-8329001 ITEM NO 2Interchangeable
interchangeable cross-reference
interchangeable
10159954Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is STD3000B19?
STD3000B19 is a O-RING.
What parts can replace STD3000B19?
There are 24 known substitutes for STD3000B19: AMS3209, 2-214C873-70, 2-214C557-7 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for STD3000B19?
STD3000B19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-618-0490. 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