PartsTable
Technical Data Sheet
8526-43 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The COVER,ELECTRICAL SWITCH is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL, thickness: 0.065 INCHES NOMINAL IN, hole_diameter: 0.312 INCHES NOMINAL IN, overall_width: 2.750 INCHES NOMINAL IN, overall_length: 5.368 INCHES NOMINAL IN, overall_diameter: 0.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-215-5121, 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
8526-43
NSN: 5330-00-215-5121
FSC: 5330
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
thickness0.065 INCHES NOMINAL IN
hole_diameter0.312 INCHES NOMINAL IN
overall_width2.750 INCHES NOMINAL IN
overall_length5.368 INCHES NOMINAL IN
overall_diameter0.750 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND B CLASS
NSN5330-00-215-5121
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8526-43 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
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL: PAPER AND GLUE OVERALL
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALPAPER AND GLUE OVERALL
OVERALL WIDTH2.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL LENGTH5.368 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
25845Interchangeable
interchangeable cross-reference
interchangeable
C3013Interchangeable
interchangeable cross-reference
interchangeable
25-553Interchangeable
interchangeable cross-reference
interchangeable
782869Interchangeable
interchangeable cross-reference
interchangeable
305WIInterchangeable
interchangeable cross-reference
interchangeable
4305Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8526-43?
8526-43 is a COVER,ELECTRICAL SWITCH.
What parts can replace 8526-43?
There are 22 known substitutes for 8526-43: 25845, C3013, 25-553 and 19 more. Substitute compatibility should be verified for your specific system.
Is 8526-43 still available?
8526-43 is currently cancelled.
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