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Technical Data Sheet
PartsTable / COMPONENT / 8144574
8144574 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, housing_bore_diameter: 3.876 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 2.875 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-1609, 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
8144574
NSN: 5330-00-291-1609
FSC: 5330
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
housing_bore_diameter3.876 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.875 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed200 FEET PER MINUTE FT
NSN5330-00-291-1609
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8144574 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: 0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT DIAMETER: 2.875 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 200 FEET PER MINUTE FT
•
HOUSING BORE DIAMETER: 3.876 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.156 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER2.875 INCHES NOMINAL IN
MATERIALSTEEL CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED200 FEET PER MINUTE FT
HOUSING BORE DIAMETER3.876 INCHES NOMINAL IN
CASE STYLESQUARE
SEALING ELEMENT STYLEANGULAR
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
209052-331Interchangeable
interchangeable cross-reference
interchangeable
918337-15Interchangeable
interchangeable cross-reference
interchangeable
215-013-0004Interchangeable
interchangeable cross-reference
interchangeable
CE476Interchangeable
interchangeable cross-reference
interchangeable
L323Interchangeable
interchangeable cross-reference
interchangeable
827857Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8144574?
8144574 is a SEAL,PLAIN ENCASED.
What parts can replace 8144574?
There are 20 known substitutes for 8144574: 209052-331, 918337-15, 215-013-0004 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8144574?
8144574 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-1609. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026