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338220M1 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

338220M1: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.438 INCHES NOMINAL IN, outside_diameter: 3.379 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 3.374 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-542-3443, 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
338220M1
NSN: 5330-00-542-3443
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.438 INCHES NOMINAL IN
outside_diameter3.379 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter3.374 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.625 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-542-3443
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 338220M1 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: 0.438 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
OUTSIDE DIAMETER: 3.379 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 3.374 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 2.625 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.438 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
OUTSIDE DIAMETER3.379 INCHES NOMINAL IN
HOUSING BORE DIAMETER3.374 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER2.625 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 2
222614Reference document
Same NSN cross-reference
Reference document — Secondary reference
26146Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 338220M1?
338220M1 is a SEAL,PLAIN ENCASED.
What parts can replace 338220M1?
There are 2 known substitutes for 338220M1: 222614, 26146. Substitute compatibility should be verified for your specific system.
What is the NSN for 338220M1?
338220M1 is cataloged in the U.S. Government catalog under NSN 5330-00-542-3443. This indicates validated use in U.S. government and defense supply chains.
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