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Technical Data Sheet
PartsTable / COMPONENT / MS28776M2-11
MS28776M2-11 ✓ 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, outside_diameter: 1.125 INCHES NOMINAL IN, surface_treatment: UNABLE TO DECODE, material_thickness: 0.125 INCHES NOMINAL IN, outer_edge_thickness: 0.094 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-554-6323, 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
MS28776M2-11
NSN: 5330-00-554-6323
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
outside_diameter1.125 INCHES NOMINAL IN
surface_treatmentUNABLE TO DECODE
material_thickness0.125 INCHES NOMINAL IN
outer_edge_thickness0.094 INCHES NOMINAL IN
cross-sectional_shape_styleCOUNTERBORED STRAIGHT FACE
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5330-00-554-6323
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28776M2-11 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
•
OUTER EDGE THICKNESS: 0.094 INCHES NOMINAL IN
•
JOINT STYLE: DIAGONAL JOINT
•
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.).
•
CROSS-SECTIONAL SHAPE STYLE: OUTSIDE GROOVED, STRAIGHT FACE
•
RING STYLE: CONCENTRIC
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
FSC APPLICATION DATA: HYDRAULIC SYSTEM,ACFT
TECHNICAL CHARACTERISTICS (FLIS)
OUTER EDGE THICKNESS0.094 INCHES NOMINAL IN
JOINT STYLEDIAGONAL JOINT
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.).
CROSS-SECTIONAL SHAPE STYLEOUTSIDE GROOVED, STRAIGHT FACE
END ITEM IDENTIFICATIONW/S: F4S AIRCRAFT; LAV, ANTI-TANK; AIRCRAFT, EAGLE F-15; AIRCRAFT MH-47E; AIRCRAFT, HAWKEYE E-2C; AIRCRAFT, C-2A (REPROCURED); AIRCRAFT, TOMCAT F-14; AIRCRAFT, GALAXY C-5; AIRCRAFT, STRATOFORTRESS B-52; AIRCRAFT, STRATOLIFTER C-135 A
RING STYLECONCENTRIC
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
FSC APPLICATION DATAHYDRAULIC SYSTEM,ACFT
OUTSIDE DIAMETER1.344 INCHES NOMINAL IN
INSIDE DIAMETER1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
G11Interchangeable
interchangeable cross-reference
interchangeable
88-16350Interchangeable
interchangeable cross-reference
interchangeable
AA51155-2B9AInterchangeable
interchangeable cross-reference
interchangeable
5518Interchangeable
interchangeable cross-reference
interchangeable
111607Interchangeable
interchangeable cross-reference
interchangeable
BK10572Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28776M2-11?
MS28776M2-11 is a RING,WIPER.
What parts can replace MS28776M2-11?
There are 27 known substitutes for MS28776M2-11: G11, 88-16350, AA51155-2B9A and 24 more. Substitute compatibility should be verified for your specific system.
Is MS28776M2-11 still available?
MS28776M2-11 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