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SM1219 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: PAPER OVERALL, outside_diameter: 1.500 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.125 INCHES NOMINAL IN, cross-sectional_thickness: 0.017 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-253-8723, 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
SM1219
NSN: 5330-00-253-8723
FSC: 5330
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
materialPAPER OVERALL
outside_diameter1.500 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.125 INCHES NOMINAL IN
cross-sectional_thickness0.017 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-253-8723
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM1219 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
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.017 INCHES NOMINAL IN
•
MATERIAL: PAPER OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
APERTURE DIAMETER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.017 INCHES NOMINAL IN
MATERIALPAPER OVERALL
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
12-19Interchangeable
interchangeable cross-reference
interchangeable
0141703A04Interchangeable
interchangeable cross-reference
interchangeable
12-25Interchangeable
interchangeable cross-reference
interchangeable
637425Interchangeable
interchangeable cross-reference
interchangeable
203562-1Interchangeable
interchangeable cross-reference
interchangeable
219Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM1219?
SM1219 is a GASKET.
What parts can replace SM1219?
There are 21 known substitutes for SM1219: 12-19, 0141703A04, 12-25 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM1219?
SM1219 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-253-8723. 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