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Technical Data Sheet
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81263B — KEY BLANK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

81263B: KEY BLANK.

The KEY BLANK is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-312-4946, 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
81263B
NSN: 5340-01-312-4946
FSC: 5340 — Hardware, Commercial
CAGE: 59618 — ALLIANCE LAUNDRY SYSTEMS LLC (USA)
SPECIFICATIONS
Part Number81263B
NSN5340-01-312-4946
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81263B 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
81263Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 81263B?
81263B is a KEY BLANK.
What parts can replace 81263B?
There is 1 known substitute for 81263B: 81263. Substitute compatibility should be verified for your specific system.
What is the NSN for 81263B?
81263B is cataloged in the U.S. Government catalog under NSN 5340-01-312-4946. This indicates validated use in U.S. government and defense supply chains.
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