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379654 ✓ 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: WOOL SEALING ELEMENT, case_style: SQUARE, seal_width: 0.250 INCHES NOMINAL IN, housing_bore_diameter: 3.151 INCHES NOMINAL IN, sealing_element_style: VERTICAL, accommodated_shaft_diameter: 2.062 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-526-7684, 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
379654
NSN: 5330-00-526-7684
FSC: 5330
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)
SPECIFICATIONS
materialWOOL SEALING ELEMENT
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
housing_bore_diameter3.151 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter2.062 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed1800 FEET PER MINUTE FT
NSN5330-00-526-7684
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 379654 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
•
MATERIAL: STEEL CASE
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1800 FEET PER MINUTE FT
•
HOUSING BORE DIAMETER: 3.151 INCHES NOMINAL IN
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: VERTICAL
•
ACCOMMODATED SHAFT DIAMETER: 2.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1800 FEET PER MINUTE FT
MATERIALWOOL SEALING ELEMENT
HOUSING BORE DIAMETER3.151 INCHES NOMINAL IN
SEAL WIDTH0.250 INCHES NOMINAL IN
CASE STYLESQUARE
SEALING ELEMENT STYLEVERTICAL
ACCOMMODATED SHAFT DIAMETER2.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
10179146Interchangeable
interchangeable cross-reference
interchangeable
161439Interchangeable
interchangeable cross-reference
interchangeable
M6188-800910Interchangeable
interchangeable cross-reference
interchangeable
5-756Interchangeable
interchangeable cross-reference
interchangeable
05-754QInterchangeable
interchangeable cross-reference
interchangeable
Y400B00320Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 379654?
379654 is a SEAL,PLAIN ENCASED.
What parts can replace 379654?
There are 13 known substitutes for 379654: 10179146, 161439, M6188-800910 and 10 more. Substitute compatibility should be verified for your specific system.
Is 379654 still available?
379654 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026