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Technical Data Sheet
SP20668 ✓ 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 COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, slot_width: 0.160 INCHES NOMINAL IN, body_thickness: 0.104 INCHES NOMINAL IN, outside_diameter: 1.750 INCHES NOMINAL IN, bolt_circle_diameter: 1.550 INCHES NOMINAL IN, securing_device_type: SPECIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-868-6885, 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
SP20668
NSN: 5340-00-868-6885
FSC: 5340
CAGE: 10237 — CADILLAC GAGE TEXTRON INC. (USA)
SPECIFICATIONS
materialSTEEL
slot_width0.160 INCHES NOMINAL IN
body_thickness0.104 INCHES NOMINAL IN
outside_diameter1.750 INCHES NOMINAL IN
bolt_circle_diameter1.550 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity4
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleOPEN HORIZONTAL SLOT
NSN5340-00-868-6885
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SP20668 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
MOUNTING OPENING SHAPE STYLE: OPEN HORIZONTAL SLOT
BODY THICKNESS: 0.104 INCHES NOMINAL IN
SECURING DEVICE TYPE: SPECIAL
BOLT CIRCLE DIAMETER: 1.550 INCHES NOMINAL IN
MATERIAL: STEEL
CROSS-SECTIONAL SHAPE STYLE: FLAT
SLOT WIDTH: 0.160 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING OPENING SHAPE STYLEOPEN HORIZONTAL SLOT
BODY THICKNESS0.104 INCHES NOMINAL IN
SECURING DEVICE TYPESPECIAL
BOLT CIRCLE DIAMETER1.550 INCHES NOMINAL IN
MATERIALSTEEL
CROSS-SECTIONAL SHAPE STYLEFLAT
SLOT WIDTH0.160 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY4
OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1428HInterchangeable
interchangeable cross-reference
interchangeable
W201Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-836 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-836Interchangeable
interchangeable cross-reference
interchangeable
730-13/16Interchangeable
interchangeable cross-reference
interchangeable
20-668Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SP20668?
SP20668 is a COVER,ACCESS.
What parts can replace SP20668?
There are 20 known substitutes for SP20668: 1428H, W201, GGG-P-836 TY1CL1 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SP20668?
SP20668 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-868-6885. This indicates validated use in U.S. government and defense supply chains.
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