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PartsTable / COMPONENT / M5501/2-R10
M5501/2-R10 ✓ 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 M5501/2-R10 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 5340-01-146-9729, 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
M5501/2-R10
NSN: 5340-01-146-9729
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM5501/2-R10
NSN5340-01-146-9729
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M5501/2-R10 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 DOCUMENT AND CLASSIFICATION: L-P-390 FED SPEC SINGLE MATERIAL RESPONSE
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.625 INCHES NOMINAL IN
•
DESIGN TYPE: THREADED
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.875-14 UNF
•
THREAD CLASS: 2A A
•
OVERALL DIAMETER: 0.990 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390 FED SPEC SINGLE MATERIAL RESPONSE
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.625 INCHES NOMINAL IN
SPECIAL FEATURESROUND CAP OUTSIDE SURFACE CONDITION: SERRATED
DESIGN TYPETHREADED
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.875-14 UNF
THREAD CLASS2A A
OVERALL DIAMETER0.990 INCHES MINIMUM AND 1.070 INCHES MAXIMUM IN
MATERIALPLASTIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
KAPPEMB10R18Upgraded Successor
successor cross-reference
successor
FC-719Upgraded Successor
successor cross-reference
successor
494115000800Upgraded Successor
successor cross-reference
successor
5340PL0169464Upgraded Successor
successor cross-reference
successor
MS25177-18Upgraded Successor
successor cross-reference
successor
025-0484-000Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M5501/2-R10?
M5501/2-R10 is a M5501/2-R10.
What parts can replace M5501/2-R10?
There are 19 known substitutes for M5501/2-R10: KAPPEMB10R18, FC-719, 494115000800 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M5501/2-R10?
M5501/2-R10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-146-9729. 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