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PartsTable / COMPONENT / M5501/10-R10
M5501/10-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 M5501/10-R10 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-167-9320, 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
M5501/10-R10
NSN: 5340-01-167-9320
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM5501/10-R10
NSN5340-01-167-9320
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M5501/10-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
•
THREAD CLASS: 2A A
•
FEATURES PROVIDED: SHOULDER
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 0.880 INCHES NOMINAL IN
•
DRIVE TYPE: SCREW SLOT
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 5/8-18 UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
FEATURES PROVIDEDSHOULDER
DESIGN TYPETHREADED
OVERALL DIAMETER0.880 INCHES NOMINAL IN
DRIVE TYPESCREW SLOT
THREAD SIZE AND SERIES/TYPE DESIGNATOR5/8-18 UNF
SPECIAL FEATURESKNURLED OR HEX HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALPLASTIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
M5501/10-F3Upgraded Successor
successor cross-reference
successor
NAS845-1Upgraded Successor
successor cross-reference
successor
MIL-C-5501/10Upgraded Successor
successor cross-reference
successor
NAS845-3Upgraded Successor
successor cross-reference
successor
10117616Upgraded Successor
successor cross-reference
successor
M5501/10-F5Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M5501/10-R10?
M5501/10-R10 is a M5501/10-R10.
What parts can replace M5501/10-R10?
There are 20 known substitutes for M5501/10-R10: M5501/10-F3, NAS845-1, MIL-C-5501/10 and 17 more. Substitute compatibility should be verified for your specific system.
Is M5501/10-R10 still available?
M5501/10-R10 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