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MSE20-500087 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MSE20-500087: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE AND GLASS FIBER AND DISULFIDE MOLYBDENUM SEALING ELEMENT, seal_width: 0.142 INCHES NOMINAL IN, construction: ONE-PIECE, housing_bore_diameter: 1.375 INCHES NOMINAL IN, accommodated_shaft_diameter: 1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN, cross-sectional_shape_style: C-SECTION W/ SPRING RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-358-5555, 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
MSE20-500087
NSN: 5330-01-358-5555
FSC: 5330 — Packing and Gasket Materials
CAGE: 72902 — PALMETTO INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE AND GLASS FIBER AND DISULFIDE MOLYBDENUM SEALING ELEMENT
seal_width0.142 INCHES NOMINAL IN
constructionONE-PIECE
housing_bore_diameter1.375 INCHES NOMINAL IN
accommodated_shaft_diameter1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
cross-sectional_shape_styleC-SECTION W/ SPRING RING
NSN5330-01-358-5555
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MSE20-500087 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: 0.142 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: C-SECTION W/ SPRING RING
•
ACCOMMODATED SHAFT DIAMETER: 1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING SPREADER
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.142 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEC-SECTION W/ SPRING RING
ACCOMMODATED SHAFT DIAMETER1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING SPREADER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE AND GLASS FIBER AND DISULFIDE MOLYBDENUM SEALING ELEMENT
CONSTRUCTIONONE-PIECE
SUBSTITUTES & CROSS-REFERENCES 2
478046Reference document
Same NSN cross-reference
Reference document — Secondary reference
1302029Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 MSE20-500087?
MSE20-500087 is a SEAL,PLAIN.
What parts can replace MSE20-500087?
There are 2 known substitutes for MSE20-500087: 478046, 1302029. Substitute compatibility should be verified for your specific system.
What is the NSN for MSE20-500087?
MSE20-500087 is cataloged in the U.S. Government catalog under NSN 5330-01-358-5555. This indicates validated use in U.S. government and defense supply chains.
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