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PartsTable / COMPONENT / 500-218
500-218 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: PLASTIC POLYVINYL CHLORIDE (PVC) TUBE, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, case_style: SQUARE, seal_width: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, shell_type: SOLID, flexibility: FLEXIBLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-9939, 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
500-218
NSN: 5330-00-291-9939
FSC: 5330
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialPLASTIC POLYVINYL CHLORIDE (PVC) TUBE
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
case_styleSQUARE
seal_width0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
shell_typeSOLID
flexibilityFLEXIBLE
temp_rating-20.0 CELSIUS AND 105.0 CELSIUS SINGLE RESPONSE DEGC
thread_class2A A
overall_width2.000 INCHES NOMINAL IN
terminal_typeSOLDER WELL SINGLE MATING END ALL CONTACT GROUPINGS
exterior_colorBLACK
overall_height2.000 INCHES NOMINAL IN
NSN5330-00-291-9939
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 500-218 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
•
CASE STYLE: SQUARE
•
SEAL WIDTH: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1600 FEET PER MINUTE FT
•
MATERIAL: STEEL CASE
•
HOUSING BORE DIAMETER: 2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT DIAMETER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
SEAL WIDTH0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1600 FEET PER MINUTE FT
MATERIALSTEEL CASE
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
HOUSING BORE DIAMETER2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A500-218Interchangeable
interchangeable cross-reference
interchangeable
500-218Interchangeable
interchangeable cross-reference
interchangeable
7388363Interchangeable
interchangeable cross-reference
interchangeable
PVC-105/6Interchangeable
interchangeable cross-reference
interchangeable
D105-6Interchangeable
interchangeable cross-reference
interchangeable
500002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500-218?
500-218 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 500-218?
There are 11 known substitutes for 500-218: A500-218, 500-218, 7388363 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 500-218?
500-218 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-9939. 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