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P20872 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P20872: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL BACKING, seal_width: 0.312 INCHES NOMINAL IN, construction: SOLID, housing_bore_diameter: 2.250 INCHES NOMINAL IN, accommodated_shaft_diameter: 1.625 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-393-3187, 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
P20872
NSN: 5330-00-393-3187
FSC: 5330 — Packing and Gasket Materials
CAGE: 59690 — KOEHRING CO LORAIN DIV (USA)
SPECIFICATIONS
materialSTEEL BACKING
seal_width0.312 INCHES NOMINAL IN
constructionSOLID
housing_bore_diameter2.250 INCHES NOMINAL IN
accommodated_shaft_diameter1.625 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-393-3187
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P20872 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: 0.312 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 1.625 INCHES NOMINAL IN
•
MATERIAL: STEEL BACKING
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.312 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER1.625 INCHES NOMINAL IN
MATERIALSTEEL BACKING
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P20872?
P20872 is a SEAL,PLAIN.
What is the NSN for P20872?
P20872 is cataloged in the U.S. Government catalog under NSN 5330-00-393-3187. This indicates validated use in U.S. government and defense supply chains.
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