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Technical Data Sheet
PartsTable / COMPONENT / M5501/1-4
M5501/1-4 ✓ 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 M5501/1-4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-433-3253, 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
M5501/1-4
NSN: 5340-00-433-3253
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM5501/1-4
NSN5340-00-433-3253
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M5501/1-4 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
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 4 SIZE
•
THREAD CLASS: 2A A
•
OVERALL DIAMETER: 0.875 INCHES MAXIMUM IN
•
DRIVE TYPE: SERRATED
•
MATERIAL: ALUMINUM
•
SURFACE TREATMENT: ANODIZE
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 7/16-20 UNF
•
DESIGN TYPE: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 4 SIZE
THREAD CLASS2A A
OVERALL DIAMETER0.875 INCHES MAXIMUM IN
DRIVE TYPESERRATED
MATERIALALUMINUM
SURFACE TREATMENTANODIZE
THREAD SIZE AND SERIES/TYPE DESIGNATOR7/16-20 UNF
DESIGN TYPETHREADED
FEATURES PROVIDEDBEVELED SEAT AND SHOULDER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
SP4Upgraded Successor
successor cross-reference
successor
5105-2900Upgraded Successor
successor cross-reference
successor
5340PL1879468Upgraded Successor
successor cross-reference
successor
19H912-3Upgraded Successor
successor cross-reference
successor
132715Upgraded Successor
successor cross-reference
successor
C4Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M5501/1-4?
M5501/1-4 is a M5501/1-4.
What parts can replace M5501/1-4?
There are 25 known substitutes for M5501/1-4: SP4, 5105-2900, 5340PL1879468 and 22 more. Substitute compatibility should be verified for your specific system.
Is M5501/1-4 still available?
M5501/1-4 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026