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Technical Data Sheet
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690352 ITEM 4 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

690352 ITEM 4: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-445-9142, 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
690352 ITEM 4
NSN: 5331-01-445-9142
FSC: 5331 — O-ring
CAGE: 25204 — ADMIRAL FILTER COMPANY LLC (USA)
SPECIFICATIONS
Part Number690352 ITEM 4
NSN5331-01-445-9142
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 690352 ITEM 4 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
SUBSTITUTES & CROSS-REFERENCES 1
MMD-2066Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 690352 ITEM 4?
690352 ITEM 4 is a O-RING.
What parts can replace 690352 ITEM 4?
There is 1 known substitute for 690352 ITEM 4: MMD-2066. Substitute compatibility should be verified for your specific system.
What is the NSN for 690352 ITEM 4?
690352 ITEM 4 is cataloged in the U.S. Government catalog under NSN 5331-01-445-9142. This indicates validated use in U.S. government and defense supply chains.
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