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Technical Data Sheet
PartsTable / COMPONENT / C1UW4676B
C1UW4676B ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: RECESSED, seal_width: 1.687 INCHES NOMINAL IN, outside_diameter: 2.627 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 4.675 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-128-0399, 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
C1UW4676B
NSN: 5330-00-128-0399
FSC: 5330
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleRECESSED
seal_width1.687 INCHES NOMINAL IN
outside_diameter2.627 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter4.675 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.687 INCHES NOMINAL IN
NSN5330-00-128-0399
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C1UW4676B 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
•
MATERIAL: STEEL CASE
•
SEALING ELEMENT STYLE: ANGULAR
•
SURFACE TREATMENT: PLASTIC CASE
•
OUTSIDE DIAMETER: 2.627 INCHES NOMINAL IN
•
CASE STYLE: RECESSED
•
SEAL WIDTH: 1.687 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 1.687 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CASE
SEALING ELEMENT STYLEANGULAR
SURFACE TREATMENTPLASTIC CASE
OUTSIDE DIAMETER2.627 INCHES NOMINAL IN
CASE STYLERECESSED
SEAL WIDTH1.687 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER1.687 INCHES NOMINAL IN
HOUSING BORE DIAMETER4.675 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
16-545Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
ASTM B221Interchangeable
interchangeable cross-reference
interchangeable
357-9283-00Interchangeable
interchangeable cross-reference
interchangeable
1.6545DEGRInterchangeable
interchangeable cross-reference
interchangeable
1.6545Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C1UW4676B?
C1UW4676B is a SEAL,PLAIN ENCASED.
What parts can replace C1UW4676B?
There are 8 known substitutes for C1UW4676B: 16-545, AMS-QQ-A-200/11, ASTM B221 and 5 more. Substitute compatibility should be verified for your specific system.
Is C1UW4676B still available?
C1UW4676B is currently cancelled.
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Last verified: July 2026