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Technical Data Sheet
PartsTable / COMPONENT / M5501/9-F11
M5501/9-F11 ✓ 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 M5501/9-F11 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-827-0802, 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
M5501/9-F11
NSN: 5340-00-827-0802
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM5501/9-F11
NSN5340-00-827-0802
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M5501/9-F11 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: 0.685 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
•
DESIGN TYPE: FRICTION
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER LENGTH: 0.076 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.685 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
MATERIALPLASTIC
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
DESIGN TYPEFRICTION
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
INSIDE DIAMETER LENGTH0.076 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
NAS847Upgraded Successor
successor cross-reference
successor
MIL-C-5501/7Upgraded Successor
successor cross-reference
successor
M5501/7-F24Upgraded Successor
successor cross-reference
successor
AEP1543-2Upgraded Successor
successor cross-reference
successor
EC14Upgraded Successor
successor cross-reference
successor
36B505139P4Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M5501/9-F11?
M5501/9-F11 is a M5501/9-F11.
What parts can replace M5501/9-F11?
There are 25 known substitutes for M5501/9-F11: NAS847, MIL-C-5501/7, M5501/7-F24 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M5501/9-F11?
M5501/9-F11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-827-0802. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026