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OMNI-CAL-4A ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The OMNI-CAL-4A is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-01-187-4083, 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
OMNI-CAL-4A
NSN: 6685-01-187-4083
FSC: 6685
CAGE: 29907 — OMEGA ENGINEERING, INC. (USA)
SPECIFICATIONS
Part NumberOMNI-CAL-4A
NSN6685-01-187-4083
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available OMNI-CAL-4A TITLE COMPONENT PN OMNI-CAL-4A MFR OMNI-CAL-4A
KEY FEATURES
•
OVERALL DIAMETER: 6.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH12.250 INCHES NOMINAL IN
OVERALL DIAMETER6.000 INCHES NOMINAL IN
SPECIAL FEATURESTHERMOCOUPLE CALIBRATOR; WEIGHT 9.5 LBS; RECHARGEABLE INTERNAL NICKEL CADMIUM BATTERY PACK; 7 DIGIT, 7 SEGMENT DISPLAY; RANGE DEPENDS ON SENSOR USED, CAN BE FROM -422 TO +2501 DEG F; RESOLUTION 0.1 DEG LBS
OVERALL WIDTH8.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
C654Interchangeable
interchangeable cross-reference
interchangeable
BSSUJ3Interchangeable
interchangeable cross-reference
interchangeable
SS654Interchangeable
interchangeable cross-reference
interchangeable
7366115Interchangeable
interchangeable cross-reference
interchangeable
6654Interchangeable
interchangeable cross-reference
interchangeable
DIGI-CAL IIInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is OMNI-CAL-4A?
OMNI-CAL-4A is a OMNI-CAL-4A.
What parts can replace OMNI-CAL-4A?
There are 7 known substitutes for OMNI-CAL-4A: C654, BSSUJ3, SS654 and 4 more. Substitute compatibility should be verified for your specific system.
Is OMNI-CAL-4A still available?
OMNI-CAL-4A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026