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Technical Data Sheet
PartsTable / COMPONENT / OAS-41
OAS-41 ✓ 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 RING,WIPER is a the manufacturer industrial component. Key specifications include ring_style: CONCENTRIC, joint_style: DIAGONAL JOINT, inside_diameter: 4.500 INCHES NOMINAL IN, outside_diameter: 4.907 INCHES NOMINAL IN, material_thickness: 0.156 INCHES NOMINAL IN, fsc_application_data: HYDRAULIC SYSTEM,ACFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-516-8336, 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
OAS-41
NSN: 5330-00-516-8336
FSC: 5330
CAGE: 26303 — GREENE TWEED AND CO ADVANTEC DIV (USA)
SPECIFICATIONS
ring_styleCONCENTRIC
joint_styleDIAGONAL JOINT
inside_diameter4.500 INCHES NOMINAL IN
outside_diameter4.907 INCHES NOMINAL IN
material_thickness0.156 INCHES NOMINAL IN
fsc_application_dataHYDRAULIC SYSTEM,ACFT
outer_edge_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleOUTSIDE GROOVED, STRAIGHT FACE
NSN5330-00-516-8336
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: OAS-41 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
•
CROSS-SECTIONAL SHAPE STYLE: OUTSIDE GROOVED, STRAIGHT FACE
•
TEST DATA DOCUMENT: 81349-MIL-S-5049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
FSC APPLICATION DATA: HYDRAULIC SYSTEM,ACFT
•
RING STYLE: CONCENTRIC
•
INSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
JOINT STYLE: DIAGONAL JOINT
•
OUTER EDGE THICKNESS: 0.125 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.907 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEOUTSIDE GROOVED, STRAIGHT FACE
TEST DATA DOCUMENT81349-MIL-S-5049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
FSC APPLICATION DATAHYDRAULIC SYSTEM,ACFT
RING STYLECONCENTRIC
INSIDE DIAMETER4.500 INCHES NOMINAL IN
JOINT STYLEDIAGONAL JOINT
OUTER EDGE THICKNESS0.125 INCHES NOMINAL IN
OUTSIDE DIAMETER4.907 INCHES NOMINAL IN
MATERIAL THICKNESS0.156 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
MIL-B-83769Interchangeable
interchangeable cross-reference
interchangeable
M83769/4-1Interchangeable
interchangeable cross-reference
interchangeable
G4-1Interchangeable
interchangeable cross-reference
interchangeable
1112Interchangeable
interchangeable cross-reference
interchangeable
MANAGEInterchangeable
interchangeable cross-reference
interchangeable
128HM40095Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is OAS-41?
OAS-41 is a RING,WIPER.
What parts can replace OAS-41?
There are 19 known substitutes for OAS-41: MIL-B-83769, M83769/4-1, G4-1 and 16 more. Substitute compatibility should be verified for your specific system.
Is OAS-41 still available?
OAS-41 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