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6636S — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6636S: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE NITRILE SEALING ELEMENT, seal_width: 0.688 INCHES NOMINAL IN, outside_diameter: 3.194 INCHES NOMINAL IN, housing_bore_diameter: 3.192 INCHES MINIMUM AND 3.196 INCHES MAXIMUM IN, accommodated_shaft_diameter: 2.188 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-670-0421, 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
6636S
NSN: 5330-00-670-0421
FSC: 5330 — Packing and Gasket Materials
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE SEALING ELEMENT
seal_width0.688 INCHES NOMINAL IN
outside_diameter3.194 INCHES NOMINAL IN
housing_bore_diameter3.192 INCHES MINIMUM AND 3.196 INCHES MAXIMUM IN
accommodated_shaft_diameter2.188 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-670-0421
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6636S 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: 0.688 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.194 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 3.192 INCHES MINIMUM AND 3.196 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 2.188 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE NITRILE SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.688 INCHES NOMINAL IN
OUTSIDE DIAMETER3.194 INCHES NOMINAL IN
HOUSING BORE DIAMETER3.192 INCHES MINIMUM AND 3.196 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER2.188 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE NITRILE SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 5
330483Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
319WL26M1Reference document
Same NSN cross-reference
Reference document — Secondary reference
8737797Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1551061Reference document
Same NSN cross-reference
Reference document — Secondary reference
541934Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6636S?
6636S is a SEAL,PLAIN.
What parts can replace 6636S?
There are 5 known substitutes for 6636S: 330483, 319WL26M1, 8737797 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6636S?
6636S is cataloged in the U.S. Government catalog under NSN 5330-00-670-0421. This indicates validated use in U.S. government and defense supply chains.
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