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PartsTable / COMPONENT / 88AX165
88AX165 ✓ 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 A, case_style: SQUARE, seal_width: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN, housing_bore_diameter: 4.003 INCHES NOMINAL IN, sealing_element_style: VERTICAL-ANGULAR, accommodated_shaft_diameter: 3.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-9127, 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
88AX165
NSN: 5330-00-291-9127
FSC: 5330
CAGE: 89619 — MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS (USA)
SPECIFICATIONS
materialWOOL SEALING ELEMENT A
case_styleSQUARE
seal_width0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
housing_bore_diameter4.003 INCHES NOMINAL IN
sealing_element_styleVERTICAL-ANGULAR
accommodated_shaft_diameter3.000 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-291-9127
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 88AX165 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
•
ACCOMMODATED SHAFT DIAMETER: 3.000 INCHES NOMINAL IN
•
MATERIAL: WOOL SEALING ELEMENT A
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
SEALING ELEMENT STYLE: VERTICAL-ANGULAR
•
SEAL WIDTH: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
•
HOUSING BORE DIAMETER: 4.003 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER3.000 INCHES NOMINAL IN
MATERIALWOOL SEALING ELEMENT A
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
SEALING ELEMENT STYLEVERTICAL-ANGULAR
SEAL WIDTH0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT B
CASE STYLESQUARE
HOUSING BORE DIAMETER4.003 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
E2891PC52Interchangeable
interchangeable cross-reference
interchangeable
29947Interchangeable
interchangeable cross-reference
interchangeable
AVG6S47-42PC52Interchangeable
interchangeable cross-reference
interchangeable
AN960-1416LInterchangeable
interchangeable cross-reference
interchangeable
6026-7001-24Interchangeable
interchangeable cross-reference
interchangeable
93610-159Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 88AX165?
88AX165 is a SEAL,PLAIN ENCASED.
What parts can replace 88AX165?
There are 20 known substitutes for 88AX165: E2891PC52, 29947, AVG6S47-42PC52 and 17 more. Substitute compatibility should be verified for your specific system.
Is 88AX165 still available?
88AX165 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