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K4R1 — INDICATOR,ELECTRICAL TACHOMETER

✓ Government record, cited
DYNALEC CORPORATION · COMPONENT
PRODUCT OVERVIEW

K4R1: INDICATOR,ELECTRICAL TACHOMETER.

INDICATOR,ELECTRICAL TACHOMETER. Key specifications include DEPTH: 7.500 INCHES NOMINAL IN, WIDTH: 7.000 INCHES NOMINAL IN, HEIGHT: 7.000 INCHES NOMINAL IN, SCALE RANGE: -0.1 TO 2000.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE, CURRENT TYPE: AC, POINTER TYPE: CLOCK-HAND SINGLE POINTER. This part is cataloged in the U.S.

Government catalog under NSN 6680-01-151-9164, 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
K4R1
NSN: 6680-01-151-9164
FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
CAGE: 12763 — DYNALEC CORPORATION (USA)
SPECIFICATIONS
DEPTH7.500 INCHES NOMINAL IN
WIDTH7.000 INCHES NOMINAL IN
HEIGHT7.000 INCHES NOMINAL IN
SCALE RANGE-0.1 TO 2000.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
CURRENT TYPEAC
POINTER TYPECLOCK-HAND SINGLE POINTER
PRESENTATION TYPEELECTRON TUBE
MOUNTING STUD DIAMETER0.334 INCHES NOMINAL IN
NSN6680-01-151-9164
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: DYNALEC CORPORATION INDICATOR,ELECTRICAL TACHOMETER TITLE COMPONENT PN K4R1 MFR DYNALEC CORPORATION INDICATOR,ELECTRICAL T
KEY FEATURES
•
CURRENT TYPE: AC
•
MOUNTING STUD DIAMETER: 0.334 INCHES NOMINAL IN
•
SCALE RANGE: -0.1 TO 2000.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
•
POINTER TYPE: CLOCK-HAND SINGLE POINTER
•
PRESENTATION TYPE: ELECTRON TUBE
•
HEIGHT: 7.000 INCHES NOMINAL IN
•
COLOR: WHITE POINTER OVERALL
•
DEPTH: 7.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CURRENT TYPEAC
MOUNTING STUD DIAMETER0.334 INCHES NOMINAL IN
SCALE RANGE-0.1 TO 2000.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
POINTER TYPECLOCK-HAND SINGLE POINTER
PRESENTATION TYPEELECTRON TUBE
HEIGHT7.000 INCHES NOMINAL IN
COLORWHITE POINTER OVERALL
DEPTH7.500 INCHES NOMINAL IN
WIDTH7.000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6680-00-000-0189 6680-00-001-1478 6680-00-001-1502 6680-00-001-1506 6680-00-001-1511 6680-00-001-3672 6680-00-001-3675 6680-00-001-4170
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is K4R1?
K4R1 is a INDICATOR,ELECTRICAL TACHOMETER manufactured by DYNALEC CORPORATION.
What is the NSN for K4R1?
K4R1 is cataloged in the U.S. Government catalog under NSN 6680-01-151-9164. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.