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Technical Data Sheet
PartsTable / COMPONENT / MS28776M2-65
MS28776M2-65 ✓ 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: 10.000 INCHES NOMINAL IN, outside_diameter: 10.469 INCHES NOMINAL IN, material_thickness: 0.172 INCHES NOMINAL IN, fsc_application_data: HYDRAULIC SYSTEM,ACFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-059-9577, 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
MS28776M2-65
NSN: 5330-00-059-9577
FSC: 5330
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
ring_styleCONCENTRIC
joint_styleDIAGONAL JOINT
inside_diameter10.000 INCHES NOMINAL IN
outside_diameter10.469 INCHES NOMINAL IN
material_thickness0.172 INCHES NOMINAL IN
fsc_application_dataHYDRAULIC SYSTEM,ACFT
outer_edge_thickness0.141 INCHES NOMINAL IN
cross-sectional_shape_styleOUTSIDE GROOVED, STRAIGHT FACE
NSN5330-00-059-9577
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28776M2-65 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
•
FSC APPLICATION DATA: HYDRAULIC SYSTEM,ACFT
•
INSIDE DIAMETER: 10.000 INCHES NOMINAL IN
•
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.).
•
OUTER EDGE THICKNESS: 0.141 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.172 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
JOINT STYLE: DIAGONAL JOINT
•
CROSS-SECTIONAL SHAPE STYLE: OUTSIDE GROOVED, STRAIGHT FACE
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATAHYDRAULIC SYSTEM,ACFT
INSIDE DIAMETER10.000 INCHES NOMINAL IN
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.).
OUTER EDGE THICKNESS0.141 INCHES NOMINAL IN
MATERIAL THICKNESS0.172 INCHES NOMINAL IN
RING STYLECONCENTRIC
JOINT STYLEDIAGONAL JOINT
CROSS-SECTIONAL SHAPE STYLEOUTSIDE GROOVED, STRAIGHT FACE
OUTSIDE DIAMETER10.469 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
103-368ITEM8Interchangeable
interchangeable cross-reference
interchangeable
GL50 1-2Interchangeable
interchangeable cross-reference
interchangeable
10364D47-2002PC38Interchangeable
interchangeable cross-reference
interchangeable
218-540Interchangeable
interchangeable cross-reference
interchangeable
740Interchangeable
interchangeable cross-reference
interchangeable
200057Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28776M2-65?
MS28776M2-65 is a RING,WIPER.
What parts can replace MS28776M2-65?
There are 16 known substitutes for MS28776M2-65: 103-368ITEM8, GL50 1-2, 10364D47-2002PC38 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28776M2-65?
MS28776M2-65 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-059-9577. 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