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PartsTable / COMPONENT / M5501/11-F3
M5501/11-F3 ✓ 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-F3 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-515-0525, 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-F3
NSN: 5340-00-515-0525
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM5501/11-F3
NSN5340-00-515-0525
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M5501/11-F3 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
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: SERRATED
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/8-24 UNF
•
MATERIAL: PLASTIC
•
THREAD CLASS: 2B
•
DESIGN TYPE: THREADED
•
INSIDE DIAMETER LENGTH: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONW/S: L.P. COMPRESSORS; HELICOPTER, ADVANCE ATTACK, AH-1W; AIR COMPRESSORS, HIGH PRESSURE; FIRE PUMPS; ENGINE, AIRCRAFT, F100-PW-100 (F-15A/B/C/D); TRACTOR, AIRCRAFT TOWING, A/S32U-30; HELICOPTER, MH-53E; AIRCRAFT, C-2A (REPROCURED); ENGINE, T700-GE-701 (AH-64) A
ROUND CAP OUTSIDE SURFACE CONDITIONSERRATED
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/8-24 UNF
MATERIALPLASTIC
THREAD CLASS2B
DESIGN TYPETHREADED
INSIDE DIAMETER LENGTH0.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
890336-32Upgraded Successor
successor cross-reference
successor
M5501/11-F14Upgraded Successor
successor cross-reference
successor
MIL-C-5501/11Upgraded Successor
successor cross-reference
successor
M5501/11-F4Upgraded Successor
successor cross-reference
successor
NAS832-4Upgraded Successor
successor cross-reference
successor
M5501/11-F7Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M5501/11-F3?
M5501/11-F3 is a M5501/11-F3.
What parts can replace M5501/11-F3?
There are 27 known substitutes for M5501/11-F3: 890336-32, M5501/11-F14, MIL-C-5501/11 and 24 more. Substitute compatibility should be verified for your specific system.
Is M5501/11-F3 still available?
M5501/11-F3 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