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18702875 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

18702875: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYURETHANE OVERALL, seal_width: 0.187 INCHES NOMINAL IN, construction: SOLID, housing_bore_diameter: 3.250 INCHES NOMINAL IN, accommodated_shaft_diameter: 2.875 INCHES NOMINAL IN, cross-sectional_shape_style: SINGLE LIP. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-031-5130, 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
18702875
NSN: 5330-01-031-5130
NIINs: 010315130, 013474318
FSC: 5330 — Packing and Gasket Materials
CAGE: 95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
materialPLASTIC POLYURETHANE OVERALL
seal_width0.187 INCHES NOMINAL IN
constructionSOLID
housing_bore_diameter3.250 INCHES NOMINAL IN
accommodated_shaft_diameter2.875 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-01-031-5130
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18702875 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: U
•
PERIPHERAL DIAMETER: 3.250 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.875 INCHES NOMINAL IN
•
MATERIAL: PLASTIC AND RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEU
PERIPHERAL DIAMETER3.250 INCHES NOMINAL IN
SPECIAL FEATURESFURNISHED WITH ONE O-RING SPREADER
CENTER HOLE DIAMETER2.875 INCHES NOMINAL IN
MATERIALPLASTIC AND RUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
ASIP2148Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 18702875?
18702875 is a SEAL,PLAIN.
What parts can replace 18702875?
There is 1 known substitute for 18702875: ASIP2148. Substitute compatibility should be verified for your specific system.
What is the NSN for 18702875?
18702875 is cataloged in the U.S. Government catalog under NSN 5330-01-031-5130. This indicates validated use in U.S. government and defense supply chains.
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