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Technical Data Sheet
PartsTable / COMPONENT / M16377/53-002
M16377/53-002 ✓ 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 M16377/53-002 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 5340-00-776-5920, 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
M16377/53-002
NSN: 5340-00-776-5920
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM16377/53-002
NSN5340-00-776-5920
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M16377/53-002 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
•
PLATE WIDTH: 1.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
PLATE LENGTH: 3.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PLATE WIDTH1.750 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYHANDLE AND SWITCH, LANTERN
END ITEM IDENTIFICATIONVARIOUS; LOGISTICS SUPPORT VESSEL
OVERALL LENGTH3.625 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES NOMINAL IN
PLATE LENGTH3.625 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
MATERIALPLASTIC OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MOUNTING FACILITY LENGTH0.183 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
M16377/53-003Upgraded Successor
successor cross-reference
successor
6230PL1376360Upgraded Successor
successor cross-reference
successor
M16337-53-003Upgraded Successor
successor cross-reference
successor
UB5-6SUpgraded Successor
successor cross-reference
successor
PS-650LSUpgraded Successor
successor cross-reference
successor
PW650SUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M16377/53-002?
M16377/53-002 is a M16377/53-002.
What parts can replace M16377/53-002?
There are 25 known substitutes for M16377/53-002: M16377/53-003, 6230PL1376360, M16337-53-003 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M16377/53-002?
M16377/53-002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-776-5920. 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