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PL12416418PC990 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

PL12416418PC990: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: FIFTH-STAGE COOLER/SEPARATOR. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-554-6237, 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
PL12416418PC990
NSN: 5331-01-554-6237
FSC: 5331 — O-ring
CAGE: 0AT62 — SIEMENS ENERGY, INC. DBA DRESSER-RAND (USA)
SPECIFICATIONS
end_item_identificationFIFTH-STAGE COOLER/SEPARATOR
NSN5331-01-554-6237
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PL12416418PC990 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONFIFTH-STAGE COOLER/SEPARATOR
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
R49388-920GReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PL12416418PC990?
PL12416418PC990 is a O-RING.
What parts can replace PL12416418PC990?
There is 1 known substitute for PL12416418PC990: R49388-920G. Substitute compatibility should be verified for your specific system.
What is the NSN for PL12416418PC990?
PL12416418PC990 is cataloged in the U.S. Government catalog under NSN 5331-01-554-6237. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.