PartsTable
Technical Data Sheet
PartsTable / O-RING / 503-6
503-6 ✓ Verified by PartsTable
Disguise · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

Add new excitement to mealtime with these educational and entertaining double-sided, write-on, wipe-off placemats. These durable activity mats are ideal for use with our multicolored Learning Mat Crayons and are available in a range of topics from math to maps! This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-003-4040, 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
503-6
NSN: 5331-00-003-4040
FSC: 5331 — O-RING
CAGE: 24664 — JONAL LABORATORIES INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter0.469 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN
cross-sectional_height0.027 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
NSN5331-00-003-4040
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 503-6 MFR: Disguise ⚠ 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: RUBBER SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.027 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.469 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.027 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.469 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5036Interchangeable
interchangeable cross-reference
interchangeable
050369Interchangeable
interchangeable cross-reference
interchangeable
SP32163Interchangeable
interchangeable cross-reference
interchangeable
419542-2Interchangeable
interchangeable cross-reference
interchangeable
GB2717-2Interchangeable
interchangeable cross-reference
interchangeable
8922236-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503-6?
503-6 is a CAPACITOR,FIXED,ELECTROLYTIC manufactured by Disguise.
What parts can replace 503-6?
There are 15 known substitutes for 503-6: 5036, 050369, SP32163 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503-6?
503-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-003-4040. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026