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PartsTable / COMPONENT / A10178 PIECE 10
A10178 PIECE 10 ✓ 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: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.375 INCHES NOMINAL IN, housing_bore_diameter: 3.500 INCHES NOMINAL IN, sealing_element_style: ANGULAR, maximum_pressure_rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-527-7325, 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
A10178 PIECE 10
NSN: 5330-00-527-7325
FSC: 5330
CAGE: 64392 — WEIL PUMP CO INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.375 INCHES NOMINAL IN
housing_bore_diameter3.500 INCHES NOMINAL IN
sealing_element_styleANGULAR
maximum_pressure_rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
accommodated_shaft_diameter2.250 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3000 FEET PER MINUTE FT
NSN5330-00-527-7325
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A10178 PIECE 10 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
•
HOUSING BORE DIAMETER: 3.500 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
MATERIAL: STEEL CASE
•
ACCOMMODATED SHAFT DIAMETER: 2.250 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER3.500 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
MATERIALSTEEL CASE
ACCOMMODATED SHAFT DIAMETER2.250 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CASE STYLESQUARE
SEAL WIDTH0.375 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3000 FEET PER MINUTE FT
MAXIMUM PRESSURE RATING7.0 POUNDS PER SQUARE INCH (PSI) LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
16305Interchangeable
interchangeable cross-reference
interchangeable
188-5252Interchangeable
interchangeable cross-reference
interchangeable
8S2590Interchangeable
interchangeable cross-reference
interchangeable
MS15718-41Interchangeable
interchangeable cross-reference
interchangeable
58-10190Interchangeable
interchangeable cross-reference
interchangeable
001-0320-02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A10178 PIECE 10?
A10178 PIECE 10 is a SEAL,PLAIN ENCASED.
What parts can replace A10178 PIECE 10?
There are 22 known substitutes for A10178 PIECE 10: 16305, 188-5252, 8S2590 and 19 more. Substitute compatibility should be verified for your specific system.
Is A10178 PIECE 10 still available?
A10178 PIECE 10 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