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Technical Data Sheet
PartsTable / COMPONENT / S11065-21
S11065-21 ✓ 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: 0.562 INCHES NOMINAL IN, outside_diameter: 0.798 INCHES MINIMUM AND 0.803 INCHES MAXIMUM IN, material_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-118-1921, 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
S11065-21
NSN: 5330-00-118-1921
FSC: 5330
CAGE: 71379 — CESSNA AIRCRAFT COMPANY DBA TEXTRON AVIATION (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
ring_styleCONCENTRIC
joint_styleDIAGONAL JOINT
inside_diameter0.562 INCHES NOMINAL IN
outside_diameter0.798 INCHES MINIMUM AND 0.803 INCHES MAXIMUM IN
material_thickness0.125 INCHES NOMINAL IN
outer_edge_thickness0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
cross-sectional_shape_styleOUTSIDE GROOVED, STRAIGHT FACE
material_document_and_classificationUNABLE TO DECODE
NSN5330-00-118-1921
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S11065-21 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: LAUNCHER,GUIDED MISSILE
•
RING STYLE: CONCENTRIC
•
OUTER EDGE THICKNESS: 0.094 INCHES NOMINAL IN
•
MATERIAL: UNABLE TO DECODE
•
CROSS-SECTIONAL SHAPE STYLE: OUTSIDE GROOVED, STRAIGHT FACE
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.282 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATALAUNCHER,GUIDED MISSILE
RING STYLECONCENTRIC
OUTER EDGE THICKNESS0.094 INCHES NOMINAL IN
MATERIALUNABLE TO DECODE
CROSS-SECTIONAL SHAPE STYLEOUTSIDE GROOVED, STRAIGHT FACE
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
OUTSIDE DIAMETER2.282 INCHES NOMINAL IN
INSIDE DIAMETER2.000 INCHES NOMINAL IN
JOINT STYLEDIAGONAL JOINT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
S11065-002-1Interchangeable
interchangeable cross-reference
interchangeable
11639261Interchangeable
interchangeable cross-reference
interchangeable
ST7M301-2Interchangeable
interchangeable cross-reference
interchangeable
S11065-21TInterchangeable
Same NIIN cross-reference
interchangeable
S2481-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S11065-21?
S11065-21 is a RING,WIPER.
What parts can replace S11065-21?
There are 5 known substitutes for S11065-21: S11065-002-1, 11639261, ST7M301-2 and 2 more. Substitute compatibility should be verified for your specific system.
Is S11065-21 still available?
S11065-21 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