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PartsTable / COMPONENT / M16377/27-003
M16377/27-003 ✓ 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 M16377/27-003 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 5340-01-365-3635, 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
M16377/27-003
NSN: 5340-01-365-3635
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM16377/27-003
NSN5340-01-365-3635
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M16377/27-003 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
•
FIRST LEG LENGTH: 4.000 INCHES NOMINAL IN
•
FIRST LEG THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST LEG LENGTH4.000 INCHES NOMINAL IN
FIRST LEG THICKNESS0.125 INCHES NOMINAL IN
END ITEM IDENTIFICATIONFIXTURES,SHIPS LIGHTING,MILITARY SPECIFICATIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MS17222PC1Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-16377/27-92.2Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-16377/27Interchangeable
interchangeable cross-reference
interchangeable
900-6401-74218SYMB0L92-2Interchangeable
interchangeable cross-reference
interchangeable
M16377/27-92.2Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-16377/27Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M16377/27-003?
M16377/27-003 is a M16377/27-003.
What parts can replace M16377/27-003?
There are 22 known substitutes for M16377/27-003: MS17222PC1, MIL-F-16377/27-92.2, MIL-F-16377/27 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M16377/27-003?
M16377/27-003 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-365-3635. 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