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Technical Data Sheet
MU-1 ✓ 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 MU-1 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 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
MU-1
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
Part NumberMU-1
NSN6620-00-515-4541
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MU-1 TITLE COMPONENT PN MU-1 MFR MU-1
KEY FEATURES
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
INDIVIDUAL MARKING: PERCENT RPM
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER2.000 INCHES NOMINAL IN
LENGTH5.000 INCHES NOMINAL IN
CONTACT QUANTITY3
ELECTRICAL CONNECTION IDENTIFYING NUMBERMS33678-10SL-3P
POINTER TYPEINDICATING SINGLE POINTER
SCALE RANGE+0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
PART NAME ASSIGNED BY CONTROLLING AGENCYTACHOMETER INDICATOR ASSEMBLY
INDIVIDUAL MARKINGPERCENT RPM
SPECIAL FEATURESINDICATOR 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 FEATURESTECH ORDERS 1C-135(K)-4 FIG 584 AND 5E6-2-23-14
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
8DJ43BADInterchangeable
interchangeable cross-reference
interchangeable
MU-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-I-25623Interchangeable
interchangeable cross-reference
interchangeable
1559-4-03Interchangeable
interchangeable cross-reference
interchangeable
E-29Interchangeable
interchangeable cross-reference
interchangeable
1560U4-03Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MU-1?
MU-1 is a MU-1.
What parts can replace MU-1?
There are 19 known substitutes for MU-1: 8DJ43BAD, MU-1, MIL-I-25623 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MU-1?
MU-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-00-515-4541. This indicates validated use in U.S. government and defense supply chains.
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