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PartsTable / COMPONENT / C658 PIECE 17
C658 PIECE 17 ✓ 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,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL, peripheral_diameter: 0.875 INCHES NOMINAL IN, center_hole_diameter: 0.625 INCHES NOMINAL IN, cross-sectional_height: 0.375 INCHES NOMINAL IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-006-1883, 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
C658 PIECE 17
NSN: 5330-01-006-1883
FSC: 5330
CAGE: 95094 — CLARK-RELIANCE LLC DBA JACOBY-TARBOX (USA)
SPECIFICATIONS
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
peripheral_diameter0.875 INCHES NOMINAL IN
center_hole_diameter0.625 INCHES NOMINAL IN
cross-sectional_height0.375 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN5330-01-006-1883
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C658 PIECE 17 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 HEIGHT: 0.375 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 0.875 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
MATERIAL: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
•
CENTER HOLE DIAMETER: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.375 INCHES NOMINAL IN
PERIPHERAL DIAMETER0.875 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
CENTER HOLE DIAMETER0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
A67-2Interchangeable
interchangeable cross-reference
interchangeable
81125S41-30124ALT3PC97Interchangeable
interchangeable cross-reference
interchangeable
183075Interchangeable
interchangeable cross-reference
interchangeable
HA672Interchangeable
interchangeable cross-reference
interchangeable
22HS165Interchangeable
interchangeable cross-reference
interchangeable
58183Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C658 PIECE 17?
C658 PIECE 17 is a PACKING,PREFORMED.
What parts can replace C658 PIECE 17?
There are 16 known substitutes for C658 PIECE 17: A67-2, 81125S41-30124ALT3PC97, 183075 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C658 PIECE 17?
C658 PIECE 17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-006-1883. 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