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Technical Data Sheet
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265BU — KEY BLANK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

265BU: KEY BLANK.

The KEY BLANK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-00-473-5950, 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
265BU
NSN: 5340-00-473-5950
FSC: 5340 — Hardware, Commercial
CAGE: 53085 — SARGENT & GREENLEAF INC (USA)
SPECIFICATIONS
Part Number265BU
NSN5340-00-473-5950
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 265BU 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 2
02621Reference document
Same NSN cross-reference
Reference document — Secondary reference
A102Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 265BU?
265BU is a KEY BLANK.
What parts can replace 265BU?
There are 2 known substitutes for 265BU: 02621, A102. Substitute compatibility should be verified for your specific system.
What is the NSN for 265BU?
265BU is cataloged in the U.S. Government catalog under NSN 5340-00-473-5950. This indicates validated use in U.S. government and defense supply chains.
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