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Technical Data Sheet
MS28776M2-9 ✓ 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 material: UNABLE TO DECODE, ring_style: CONCENTRIC, joint_style: DIAGONAL JOINT, inside_diameter: 1.000 INCHES NOMINAL IN, outside_diameter: 1.219 INCHES NOMINAL IN, material_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-640-8544, 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
MS28776M2-9
NSN: 5330-00-640-8544
FSC: 5330
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialUNABLE TO DECODE
ring_styleCONCENTRIC
joint_styleDIAGONAL JOINT
inside_diameter1.000 INCHES NOMINAL IN
outside_diameter1.219 INCHES NOMINAL IN
material_thickness0.125 INCHES NOMINAL IN
fsc_application_dataHYDRAULIC SYSTEM,ACFT
outer_edge_thickness0.094 INCHES NOMINAL IN
end_item_identificationGRUMMAN AIRCRAFT,MODEL A10
cross-sectional_shape_styleOUTSIDE GROOVED, STRAIGHT FACE
NSN5330-00-640-8544
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28776M2-9 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
JOINT STYLE: DIAGONAL JOINT
RING STYLE: CONCENTRIC
INSIDE DIAMETER: 1.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: OUTSIDE GROOVED, STRAIGHT FACE
OUTSIDE DIAMETER: 1.219 INCHES NOMINAL IN
FSC APPLICATION DATA: HYDRAULIC SYSTEM,ACFT
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.).
TECHNICAL CHARACTERISTICS (FLIS)
JOINT STYLEDIAGONAL JOINT
END ITEM IDENTIFICATIONGRUMMAN AIRCRAFT,MODEL A10
RING STYLECONCENTRIC
INSIDE DIAMETER1.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEOUTSIDE GROOVED, STRAIGHT FACE
OUTSIDE DIAMETER1.219 INCHES NOMINAL IN
FSC APPLICATION DATAHYDRAULIC SYSTEM,ACFT
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 THICKNESS0.094 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
3V250-3Interchangeable
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G-9Interchangeable
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ZZB195Interchangeable
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12XInterchangeable
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520828Interchangeable
interchangeable cross-reference
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41-33Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28776M2-9?
MS28776M2-9 is a RING,WIPER.
What parts can replace MS28776M2-9?
There are 26 known substitutes for MS28776M2-9: 3V250-3, G-9, ZZB195 and 23 more. Substitute compatibility should be verified for your specific system.
Is MS28776M2-9 still available?
MS28776M2-9 is currently cancelled.
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