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16680 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL, case_style: RECESSED, seal_width: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, overall_width: 4.200 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-492-1789, 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
16680
NSN: 5330-00-492-1789
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL
case_styleRECESSED
seal_width0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
overall_width4.200 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length4.900 INCHES NOMINAL IN
outside_diameter2.441 INCHES NOMINAL IN
special_features.001, .0015, .002, .003, .004", .005", .006", .007", .008, .010, .012 AND .015
surface_treatmentPLASTIC CASE
housing_bore_diameter2.438 INCHES NOMINAL IN
sealing_element_styleVERTICAL
NSN5330-00-492-1789
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16680 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
•
SEALING ELEMENT STYLE: VERTICAL
•
OUTSIDE DIAMETER: 2.441 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
SEAL WIDTH: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PLASTIC CASE
•
HOUSING BORE DIAMETER: 2.438 INCHES NOMINAL IN
•
CASE STYLE: RECESSED
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
SEALING ELEMENT STYLEVERTICAL
OUTSIDE DIAMETER2.441 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
SURFACE TREATMENTPLASTIC CASE
HOUSING BORE DIAMETER2.438 INCHES NOMINAL IN
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER1.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5110-00-204-0722Interchangeable
interchangeable cross-reference
interchangeable
A-A-2323Interchangeable
interchangeable cross-reference
interchangeable
16696Interchangeable
interchangeable cross-reference
interchangeable
624649Interchangeable
interchangeable cross-reference
interchangeable
27345Interchangeable
interchangeable cross-reference
interchangeable
6256Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16680?
16680 is a MICROCIRCUIT,DIGITAL.
What parts can replace 16680?
There are 15 known substitutes for 16680: 5110-00-204-0722, A-A-2323, 16696 and 12 more. Substitute compatibility should be verified for your specific system.
Is 16680 still available?
16680 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026