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000.000.243.318 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

000.000.243.318: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-646-2191, 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
000.000.243.318
NSN: 5331-01-646-2191
FSC: 5331 — O-ring
CAGE: 53W78 — SIEMENS INDUSTRY INC. DBA FLENDER (USA)
SPECIFICATIONS
Part Number000.000.243.318
NSN5331-01-646-2191
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 000.000.243.318 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
SPECIAL FEATURESUS NSN NEEDS TO BE ASSIGNED AS WE ARE UNABLE TO OBTAIN CAGE CODE AND PART NUMBER FOR THE OEM, THE ONLY INFORMATION WE CAN OBTAIN IS THAT THE COMPANY IS IN GERMANY AND SIEMENS BUYS THE ITEM BY DESCRIPTION. PER ACODP-1 PARAGRAPH131.1.2 ITEMS OF SUPPLY ORIGINATING FROM NON-MANUFACTURERS. THE COUNTRY WHEREA KNOWN SUPPLIER TRADES IS RESPONSIBLE FOR THE CODIFICATION OF THE ITEM OF SUPPLY WHEN THE DESIGN CONTROL AUTHORITY CANNOT BE VERIFIED.
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 000.000.243.318?
000.000.243.318 is a O-RING.
What is the NSN for 000.000.243.318?
000.000.243.318 is cataloged in the U.S. Government catalog under NSN 5331-01-646-2191. This indicates validated use in U.S. government and defense supply chains.
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