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PartsTable / COMPONENT / 190581
190581 ✓ 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

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: COPPER OVERALL, outside_diameter: 0.500 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.265 INCHES NOMINAL IN, cross-sectional_thickness: 0.031 INCHES NOMINAL IN, cross-sectional_shape_style: RECTANGULAR METAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-1153, 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
190581
NSN: 5330-00-641-1153
FSC: 5330
CAGE: 31361 — WOODWARD, INC. (USA)
SPECIFICATIONS
materialCOPPER OVERALL
outside_diameter0.500 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.265 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
NSN5330-00-641-1153
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 190581 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: COPPER OVERALL
•
APERTURE DIAMETER: 0.265 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
MATERIALCOPPER OVERALL
APERTURE DIAMETER0.265 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
21C206-1016Interchangeable
interchangeable cross-reference
interchangeable
342-0228-000Interchangeable
interchangeable cross-reference
interchangeable
MS51960-69Interchangeable
interchangeable cross-reference
interchangeable
22290Interchangeable
interchangeable cross-reference
interchangeable
10314668Interchangeable
interchangeable cross-reference
interchangeable
RL1361-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 190581?
190581 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 190581?
There are 13 known substitutes for 190581: 21C206-1016, 342-0228-000, MS51960-69 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 190581?
190581 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-1153. 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