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PartsTable / COMPONENT / M16377/60-004
M16377/60-004 ✓ 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 M16377/60-004 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 5330-01-028-5739, 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
M16377/60-004
NSN: 5330-01-028-5739
FSC: 5330
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM16377/60-004
NSN5330-01-028-5739
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M16377/60-004 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
•
HARDNESS RATING: 45.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
•
CENTER HOLE DIAMETER: 4.188 INCHES NOMINAL IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
•
INNER GROOVE DEPTH: 0.375 INCHES NOMINAL IN
•
INNER GROOVE WIDTH: 0.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.500 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 5.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
CENTER HOLE DIAMETER4.188 INCHES NOMINAL IN
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
INNER GROOVE DEPTH0.375 INCHES NOMINAL IN
INNER GROOVE WIDTH0.250 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL IN
PERIPHERAL DIAMETER5.188 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
7D3-07765 ITEM 14Interchangeable
interchangeable cross-reference
interchangeable
P-1971-SInterchangeable
interchangeable cross-reference
interchangeable
5667 RED CASE HARDENEDInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-16377/60Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-16377/60Interchangeable
interchangeable cross-reference
interchangeable
M16377/60-316Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M16377/60-004?
M16377/60-004 is a M16377/60-004.
What parts can replace M16377/60-004?
There are 11 known substitutes for M16377/60-004: 7D3-07765 ITEM 14, P-1971-S, 5667 RED CASE HARDENED and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M16377/60-004?
M16377/60-004 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-028-5739. 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