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11669521 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11669521: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT, case_style: RECESSED, seal_width: 3.754 INCHES MINIMUM AND 3.758 INCHES MAXIMUM IN, outside_diameter: 3.756 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 3.751 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-111-2266, 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
11669521
NSN: 5330-01-111-2266
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
case_styleRECESSED
seal_width3.754 INCHES MINIMUM AND 3.758 INCHES MAXIMUM IN
outside_diameter3.756 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter3.751 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter3.000 INCHES NOMINAL IN
NSN5330-01-111-2266
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11669521 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
•
SEAL WIDTH: 3.754 INCHES MINIMUM AND 3.758 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: VERTICAL
•
OUTSIDE DIAMETER: 3.756 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 3.751 INCHES NOMINAL IN
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 3.000 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH3.754 INCHES MINIMUM AND 3.758 INCHES MAXIMUM IN
SEALING ELEMENT STYLEVERTICAL
OUTSIDE DIAMETER3.756 INCHES NOMINAL IN
HOUSING BORE DIAMETER3.751 INCHES NOMINAL IN
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER3.000 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALRUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 1
10086497Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11669521?
11669521 is a SEAL,PLAIN ENCASED.
What parts can replace 11669521?
There is 1 known substitute for 11669521: 10086497. Substitute compatibility should be verified for your specific system.
What is the NSN for 11669521?
11669521 is cataloged in the U.S. Government catalog under NSN 5330-01-111-2266. This indicates validated use in U.S. government and defense supply chains.
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