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520766-1 — PANEL,BLANK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

520766-1: PANEL,BLANK.

The PANEL,BLANK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_width: 66.125 INCHES NOMINAL IN, overall_height: 26.125 INCHES NOMINAL IN, style_designator: BLANK, PLAIN DESIGN, material_thickness: 0.500 INCHES NOMINAL IN, end_item_identification: 627293-1 ILA. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-520-7661, 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
520766-1
NSN: 5340-00-520-7661
NIINs: 005207661, 014906741
FSC: 5340 — Hardware, Commercial
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_width66.125 INCHES NOMINAL IN
overall_height26.125 INCHES NOMINAL IN
style_designatorBLANK, PLAIN DESIGN
material_thickness0.500 INCHES NOMINAL IN
end_item_identification627293-1 ILA
NSN5340-00-520-7661
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 520766-1 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
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CARBON OR AISI ALLOY STEEL;C/O LEVER P/N6008481;BOLT P/N5025279;SPRING HELICAL P/N5025281;KNOB P/N5025280;PIN,SPRING P/NMS16562-6;ASSEMBLE PIN,BOLTAND KNOB W/WET UNTHINNED ZINC CHROMATEPRIMER PER TT-P-1757,COMPL,COLOR T
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCARBON OR AISI ALLOY STEEL;C/O LEVER P/N6008481;BOLT P/N5025279;SPRING HELICAL P/N5025281;KNOB P/N5025280;PIN,SPRING P/NMS16562-6;ASSEMBLE PIN,BOLTAND KNOB W/WET UNTHINNED ZINC CHROMATEPRIMER PER TT-P-1757,COMPL,COLOR T
END ITEM IDENTIFICATIONMORTAR M2 W/MT M5
SUBSTITUTES & CROSS-REFERENCES 2
1010-520-7661Reference document
Same NSN cross-reference
Reference document — Informative reference only
6008481Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 520766-1?
520766-1 is a PANEL,BLANK.
What parts can replace 520766-1?
There are 2 known substitutes for 520766-1: 1010-520-7661, 6008481. Substitute compatibility should be verified for your specific system.
What is the NSN for 520766-1?
520766-1 is cataloged in the U.S. Government catalog under NSN 5340-00-520-7661. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.