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Technical Data Sheet
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M686K — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M686K: GASKET.

The GASKET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-318-4574, 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
M686K
NSN: 5330-01-318-4574
FSC: 5330 — Packing and Gasket Materials
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
Part NumberM686K
NSN5330-01-318-4574
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M686K 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
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
TCC4410 PART 84Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 M686K?
M686K is a GASKET.
What parts can replace M686K?
There is 1 known substitute for M686K: TCC4410 PART 84. Substitute compatibility should be verified for your specific system.
What is the NSN for M686K?
M686K is cataloged in the U.S. Government catalog under NSN 5330-01-318-4574. This indicates validated use in U.S. government and defense supply chains.
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