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Technical Data Sheet
PartsTable / COMPONENT / C686266-1
C686266-1 ✓ 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 PACKING WITH RETAINER is a the manufacturer industrial component. Key specifications include material: STEEL RETAINER, construction: ONE-PIECE, outside_diameter: 0.312 INCHES NOMINAL IN, surface_treatment: CADMIUM RETAINER, retainer_thickness: 0.027 INCHES NOMINAL IN, packing_inside_diameter: 0.100 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-555-3402, 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
C686266-1
NSN: 5330-00-555-3402
FSC: 5330
CAGE: 06845 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialSTEEL RETAINER
constructionONE-PIECE
outside_diameter0.312 INCHES NOMINAL IN
surface_treatmentCADMIUM RETAINER
retainer_thickness0.027 INCHES NOMINAL IN
packing_inside_diameter0.100 INCHES NOMINAL IN
packing_ring_cross-sectional_diameter0.038 INCHES NOMINAL IN
NSN5330-00-555-3402
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C686266-1 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
•
PACKING RING CROSS-SECTIONAL DIAMETER: 0.038 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM RETAINER
•
MATERIAL: RUBBER SYNTHETIC PACKING
•
PACKING INSIDE DIAMETER: 0.100 INCHES NOMINAL IN
•
RETAINER THICKNESS: 0.027 INCHES NOMINAL IN
•
CONSTRUCTION: ONE-PIECE
•
OUTSIDE DIAMETER: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PACKING RING CROSS-SECTIONAL DIAMETER0.038 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM RETAINER
MATERIALRUBBER SYNTHETIC PACKING
MATERIALSTEEL RETAINER
PACKING INSIDE DIAMETER0.100 INCHES NOMINAL IN
RETAINER THICKNESS0.027 INCHES NOMINAL IN
CONSTRUCTIONONE-PIECE
OUTSIDE DIAMETER0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
2539119-2Interchangeable
interchangeable cross-reference
interchangeable
2-2300Interchangeable
interchangeable cross-reference
interchangeable
3110007883619Interchangeable
interchangeable cross-reference
interchangeable
304DD3Interchangeable
interchangeable cross-reference
interchangeable
945867Interchangeable
interchangeable cross-reference
interchangeable
C25140Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C686266-1?
C686266-1 is a PACKING WITH RETAINER.
What parts can replace C686266-1?
There are 13 known substitutes for C686266-1: 2539119-2, 2-2300, 3110007883619 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C686266-1?
C686266-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-555-3402. 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