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Technical Data Sheet
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520586-1 — SHIELD,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

520586-1: SHIELD,EXPANSION.

The SHIELD,EXPANSION is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-215-7706, 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
520586-1
NSN: 5340-01-215-7706
FSC: 5340 — Hardware, Commercial
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
Part Number520586-1
NSN5340-01-215-7706
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 520586-1 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 4
5500067 12-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
PB12-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
00229235Reference document
Same NSN cross-reference
Reference document — Secondary reference
5500064 12-7Reference document
Same NSN cross-reference
Reference document — Secondary 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 520586-1?
520586-1 is a SHIELD,EXPANSION.
What parts can replace 520586-1?
There are 4 known substitutes for 520586-1: 5500067 12-7, PB12-7, 00229235 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 520586-1?
520586-1 is cataloged in the U.S. Government catalog under NSN 5340-01-215-7706. This indicates validated use in U.S. government and defense supply chains.
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