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Technical Data Sheet
668416-03-1 ✓ 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: RUBBER SYNTHETIC PACKING, construction: ONE-PIECE, outside_diameter: 0.406 INCHES NOMINAL IN, surface_treatment: ANODIZE RETAINER, retainer_thickness: 0.050 INCHES NOMINAL IN, packing_inside_diameter: 0.157 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 5330-00-203-2376, 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
668416-03-1
NSN: 5330-00-203-2376
FSC: 5330
CAGE: C0308 — PARKER HANNIFIN GMBH O-RING DIVISION (DEU)
SPECIFICATIONS
materialRUBBER SYNTHETIC PACKING
constructionONE-PIECE
outside_diameter0.406 INCHES NOMINAL IN
surface_treatmentANODIZE RETAINER
retainer_thickness0.050 INCHES NOMINAL IN
packing_inside_diameter0.157 INCHES NOMINAL IN
packing_ring_cross-sectional_diameter0.066 INCHES NOMINAL IN
NSN5330-00-203-2376
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 668416-03-1 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
OUTSIDE DIAMETER: 0.406 INCHES NOMINAL IN
PACKING INSIDE DIAMETER: 0.157 INCHES NOMINAL IN
SURFACE TREATMENT: ANODIZE RETAINER
CONSTRUCTION: ONE-PIECE
MATERIAL: RUBBER SYNTHETIC PACKING
RETAINER THICKNESS: 0.050 INCHES NOMINAL IN
PACKING RING CROSS-SECTIONAL DIAMETER: 0.066 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.406 INCHES NOMINAL IN
PACKING INSIDE DIAMETER0.157 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE RETAINER
CONSTRUCTIONONE-PIECE
MATERIALRUBBER SYNTHETIC PACKING
RETAINER THICKNESS0.050 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY RETAINER
PACKING RING CROSS-SECTIONAL DIAMETER0.066 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
29-182Interchangeable
interchangeable cross-reference
interchangeable
T7606684-87Interchangeable
interchangeable cross-reference
interchangeable
T7609145-113Interchangeable
interchangeable cross-reference
interchangeable
T7604741G13SUB38Interchangeable
interchangeable cross-reference
interchangeable
1F2874Interchangeable
interchangeable cross-reference
interchangeable
8769Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 668416-03-1?
668416-03-1 is a PACKING WITH RETAINER.
What parts can replace 668416-03-1?
There are 14 known substitutes for 668416-03-1: 29-182, T7606684-87, T7609145-113 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 668416-03-1?
668416-03-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-203-2376. This indicates validated use in U.S. government and defense supply chains.
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