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Technical Data Sheet
PartsTable / COMPONENT / 1559-4-03
1559-4-03 ✓ 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 1559-4-03 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 6620-00-526-5003, 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
1559-4-03
NSN: 6620-00-526-5003
FSC: 6620
CAGE: 89944 — ELBITAMERICA, INC. (USA)
SPECIFICATIONS
Part Number1559-4-03
NSN6620-00-526-5003
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 1559-4-03 TITLE COMPONENT PN 1559-4-03 MFR 1559-4-03
KEY FEATURES
•
CONTACT TYPE: PIN
•
POINTER TYPE: INDICATING SINGLE POINTER
•
INDIVIDUAL MARKING: PERCENT RPM
•
DIAMETER: 2.000 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: TECH ORDERS 1C-135(K)-4 FIG 584 AND 5E6-2-13-4
•
CONTACT QUANTITY: 3
•
ELECTRICAL CONNECTION QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT TYPEPIN
POINTER TYPEINDICATING SINGLE POINTER
INDIVIDUAL MARKINGPERCENT RPM
DIAMETER2.000 INCHES NOMINAL IN
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 5E6-2-13-4
CONTACT QUANTITY3
ELECTRICAL CONNECTION QUANTITY1
SCALE RANGE+0.1 TO 110.0 PERCENT REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE
PART NAME ASSIGNED BY CONTROLLING AGENCYPERCENT RPM ELECTRIC TACHOMETER INDICATOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
OLDENInterchangeable
interchangeable cross-reference
interchangeable
A2329Interchangeable
interchangeable cross-reference
interchangeable
E29Interchangeable
interchangeable cross-reference
interchangeable
BS6-1633PC6Interchangeable
interchangeable cross-reference
interchangeable
E5253DInterchangeable
interchangeable cross-reference
interchangeable
8DJ43AAMInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1559-4-03?
1559-4-03 is a 1559-4-03.
What parts can replace 1559-4-03?
There are 15 known substitutes for 1559-4-03: OLDEN, A2329, E29 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1559-4-03?
1559-4-03 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6620-00-526-5003. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026