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PartsTable / COMPONENT / 12500-1-STD PART 7419
12500-1-STD PART 7419 ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-385-0279, 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
12500-1-STD PART 7419
NSN: 5330-01-385-0279
FSC: 5330
CAGE: 52249 — MESTEK, INC. DBA AMERICAN WARMING & VENTILATING DIVISION DIV AMERICAN WARMING AND VENTILATING (USA)
SPECIFICATIONS
Part Number12500-1-STD PART 7419
NSN5330-01-385-0279
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12500-1-STD PART 7419 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 16
MS35387-2Interchangeable
interchangeable cross-reference
interchangeable
506102Interchangeable
interchangeable cross-reference
interchangeable
40618AInterchangeable
interchangeable cross-reference
interchangeable
5-28-6KOHM-JInterchangeable
interchangeable cross-reference
interchangeable
HL12-6001JInterchangeable
interchangeable cross-reference
interchangeable
308-0124-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12500-1-STD PART 7419?
12500-1-STD PART 7419 is a RETAINER,PACKING.
What parts can replace 12500-1-STD PART 7419?
There are 16 known substitutes for 12500-1-STD PART 7419: MS35387-2, 506102, 40618A and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12500-1-STD PART 7419?
12500-1-STD PART 7419 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-385-0279. 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