MIL-I-25623 — Technical Data Sheet

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MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M · COMPONENT

WHAT YOU NEED TO KNOW

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PRODUCT OVERVIEW

INDICATOR,ELECTRICAL TACHOMETER. Key specifications include LENGTH: 5.000 INCHES NOMINAL IN, DIAMETER: 2.000 INCHES NOMINAL IN, SCALE RANGE: +0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE, CONTACT TYPE: PIN, CURRENT TYPE: AC, POINTER TYPE: INDICATING SINGLE POINTER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-00-515-4541, 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

MIL-I-25623

NSN: 6620-00-515-4541
FSC: 6620
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

LENGTH	5.000 INCHES NOMINAL IN
DIAMETER	2.000 INCHES NOMINAL IN
SCALE RANGE	+0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
CONTACT TYPE	PIN
CURRENT TYPE	AC
POINTER TYPE	INDICATING SINGLE POINTER
CONTACT QUANTITY	3
PRESENTATION TYPE	DIAL
INDIVIDUAL MARKING	PERCENT RPM
SUPPLEMENTARY FEATURES	TECH ORDER 1C-135(K)-4 FIG 584
END ITEM IDENTIFICATION	KC-135E, B52 AND C-130 ACFT
ELECTRICAL CONNECTION QUANTITY	1
NSN	6620-00-515-4541

COMPONENT DIAGRAM

KEY FEATURES

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DIAMETER: 2.000 INCHES NOMINAL IN

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LENGTH: 5.000 INCHES NOMINAL IN

•

CONTACT QUANTITY: 3

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ELECTRICAL CONNECTION IDENTIFYING NUMBER: MS33678-10SL-3P

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POINTER TYPE: INDICATING SINGLE POINTER

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SCALE RANGE: +0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE

•

INDIVIDUAL MARKING: PERCENT RPM

TECHNICAL CHARACTERISTICS (FLIS)

DIAMETER	2.000 INCHES NOMINAL IN
LENGTH	5.000 INCHES NOMINAL IN
CONTACT QUANTITY	3
ELECTRICAL CONNECTION IDENTIFYING NUMBER	MS33678-10SL-3P
POINTER TYPE	INDICATING SINGLE POINTER
SCALE RANGE	+0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
PART NAME ASSIGNED BY CONTROLLING AGENCY	TACHOMETER INDICATOR ASSEMBLY
INDIVIDUAL MARKING	PERCENT RPM
SPECIAL FEATURES	INDICATOR INCLUDES SUBDIAL SCALE WITH RANGE 0 TO 10% RPM; THE MAJOR SCALE HAS RANGE 0 TO 100% RPM; TOTAL SCALE RANGE OF INDICATOR 0 TO 110% RPM; HERMETICALLY SEALED CASE PER MS33639; TACH DESIGNED FOR USE WITH A TWO POLE TACH GENERATOR CONFORMING TO MIL-G-9398;WEIGHT APPROXIMATELY 1 LB; DIAL IS SCREENED WITH 100 PERCENT AT 9 O'CLOCK; DULL BLACK BACKGROUND PER FED-STD-595 LBS
SUPPLEMENTARY FEATURES	TECH ORDERS 1C-135(K)-4 FIG 584 AND 5E6-2-23-14

VERIFIED SUBSTITUTES & CROSS-REFERENCES 18

8DJ43BADInterchangeable