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Technical Data Sheet
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8521937 — 8521937

✓ Government record, cited
HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL · ORING SEAL
PRODUCT OVERVIEW

8521937: 8521937.

The 8521937 is a HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL industrial component. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-454-9912, 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
8521937
NSN: 5340-01-454-9912
FSC: 5340 — Hardware, Commercial
CAGE: 07187 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL (USA)
SPECIFICATIONS
Part Number8521937
ManufacturerHONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL
NSN5340-01-454-9912
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8521937 MFR: HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL ⚠ 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

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 8521937?
8521937 is a 8521937 manufactured by HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL.
What is the NSN for 8521937?
8521937 is cataloged in the U.S. Government catalog under NSN 5340-01-454-9912. This indicates validated use in U.S. government and defense supply chains.
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