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450291R — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

450291R: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SEALING ELEMENT, case_style: SQUARE, seal_width: 0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN, outside_diameter: 2.879 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 2.874 INCHES MINIMUM AND 2.876 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-587-5892, 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
450291R
NSN: 5330-00-587-5892
FSC: 5330 — Packing and Gasket Materials
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialRUBBER SEALING ELEMENT
case_styleSQUARE
seal_width0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
outside_diameter2.879 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter2.874 INCHES MINIMUM AND 2.876 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.750 INCHES NOMINAL IN
NSN5330-00-587-5892
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 450291R 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: 0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
•
SEALING ELEMENT STYLE: ANGULAR
•
OUTSIDE DIAMETER: 2.879 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 2.874 INCHES MINIMUM AND 2.876 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.750 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
OUTSIDE DIAMETER2.879 INCHES NOMINAL IN
HOUSING BORE DIAMETER2.874 INCHES MINIMUM AND 2.876 INCHES MAXIMUM IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.750 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
MATERIALRUBBER SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 2
221194Reference document
Same NSN cross-reference
Reference document — Secondary reference
286W124T8Reference 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 450291R?
450291R is a SEAL,PLAIN ENCASED.
What parts can replace 450291R?
There are 2 known substitutes for 450291R: 221194, 286W124T8. Substitute compatibility should be verified for your specific system.
What is the NSN for 450291R?
450291R is cataloged in the U.S. Government catalog under NSN 5330-00-587-5892. This indicates validated use in U.S. government and defense supply chains.
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