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PartsTable / COMPONENT / M5501/11-F14
M5501/11-F14 ✓ 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 M5501/11-F14 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-598-6656, 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
M5501/11-F14
NSN: 5340-00-598-6656
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM5501/11-F14
NSN5340-00-598-6656
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M5501/11-F14 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
•
MATERIAL: PLASTIC
•
THREAD CLASS: 3B
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1-1/4-18 UNEF
•
DESIGN TYPE: THREADED
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
•
OVERALL DIAMETER: 1.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC
THREAD CLASS3B
THREAD SIZE AND SERIES/TYPE DESIGNATOR1-1/4-18 UNEF
DESIGN TYPETHREADED
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
OVERALL DIAMETER1.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
5340PL0845466Upgraded Successor
successor cross-reference
successor
N351CD3Upgraded Successor
successor cross-reference
successor
5340PL1879934Upgraded Successor
successor cross-reference
successor
NAS832-6Upgraded Successor
successor cross-reference
successor
5340PL0845484Upgraded Successor
successor cross-reference
successor
CD6Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M5501/11-F14?
M5501/11-F14 is a M5501/11-F14.
What parts can replace M5501/11-F14?
There are 26 known substitutes for M5501/11-F14: 5340PL0845466, N351CD3, 5340PL1879934 and 23 more. Substitute compatibility should be verified for your specific system.
Is M5501/11-F14 still available?
M5501/11-F14 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