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Technical Data Sheet
PartsTable / COMPONENT / CPNY-359BK
CPNY-359BK ✓ 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 STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 0.515 INCHES NOMINAL IN, overall_length: 0.859 INCHES NOMINAL IN, style_designator: CURVED ARCH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-905-9803, 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
CPNY-359BK
NSN: 5340-00-905-9803
FSC: 5340
CAGE: 85480 — BRADY UNITED STATES (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width0.515 INCHES NOMINAL IN
overall_length0.859 INCHES NOMINAL IN
style_designatorCURVED ARCH
material_thickness0.060 INCHES NOMINAL IN
mounting_hole_size0.203 INCHES NOMINAL IN
inside_diameter/arch_length0.359 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch0.359 INCHES NOMINAL IN
center_to_center_distance_between_arch_and_mounting_hole0.430 INCHES NOMINAL IN
NSN5340-00-905-9803
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CPNY-359BK 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
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCATION NOT OTHERWISE SPECIFIED
•
STYLE DESIGNATOR: CURVED ARCH
•
MATERIAL THICKNESS: 0.060 INCHES NOMINAL IN
•
CUSHION: NOT INCLUDED
•
CENTER TO CENTER DISTANCE BETWEEN ARCH AND MOUNTING HOLE: 0.430 INCHES NOMINAL IN
•
INSIDE DIAMETER/ARCH LENGTH: 0.359 INCHES NOMINAL IN
•
MOUNTING HOLE SIZE: 0.203 INCHES NOMINAL IN
•
MOUNTING PAD: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATORCURVED ARCH
MATERIAL THICKNESS0.060 INCHES NOMINAL IN
CUSHIONNOT INCLUDED
CENTER TO CENTER DISTANCE BETWEEN ARCH AND MOUNTING HOLE0.430 INCHES NOMINAL IN
INSIDE DIAMETER/ARCH LENGTH0.359 INCHES NOMINAL IN
MOUNTING HOLE SIZE0.203 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
OVERALL LENGTH0.859 INCHES NOMINAL IN
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.359 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
38HUpgraded Successor
successor cross-reference
successor
2565435-4Interchangeable
interchangeable cross-reference
interchangeable
A-A-863Interchangeable
interchangeable cross-reference
interchangeable
KLEERSTIKInterchangeable
interchangeable cross-reference
interchangeable
MMM-A-00185Interchangeable
interchangeable cross-reference
interchangeable
CPC660-6AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CPNY-359BK?
CPNY-359BK is a STRAP,RETAINING.
What parts can replace CPNY-359BK?
There are 8 known substitutes for CPNY-359BK: 38H, 2565435-4, A-A-863 and 5 more. Substitute compatibility should be verified for your specific system.
Is CPNY-359BK still available?
CPNY-359BK is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026