PartsTable
Technical Data Sheet
4903 ✓ Verified by PartsTable
Zyxel · MRO · MRO_GENERAL
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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include special_features: TRAY/ARMREST, VERSATILE; ACCESSORY ITEM; FOR USE WITH THE ADJUSTABLE BLOOD DONOR LOUNGE CHAIR, NSN: 6530-01-508-6662, end_item_identification: BLOOD DONOR LOUNGE CHAIR, NSN: 6530-01-508-6662, part_name_assigned_by_controlling_agency: TRAY ARMREST VERSATILE F/BLOOD DONOR LOUNGE CHAIR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-239-4242, 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
MRO MRO_GENERAL 4903
NSN: 6625-00-239-4242
FSC: 6625
CAGE: 56394 — PAX MFG CORP HAMMARLUND MFG CO DIV (USA)
SPECIFICATIONS
special_featuresTRAY/ARMREST, VERSATILE; ACCESSORY ITEM; FOR USE WITH THE ADJUSTABLE BLOOD DONOR LOUNGE CHAIR, NSN: 6530-01-508-6662
end_item_identificationBLOOD DONOR LOUNGE CHAIR, NSN: 6530-01-508-6662
part_name_assigned_by_controlling_agencyTRAY ARMREST VERSATILE F/BLOOD DONOR LOUNGE CHAIR
NSN6625-00-239-4242
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Zyxel RESISTOR,FIXED,WIRE WOUND,INDUCT TITLE COMPONENT PN 4903 MFR Zyxel RESISTOR,FIXED,WIRE WO
KEY FEATURES
NUCLEAR HARDNESS CRITICAL FEATURE: NONHARDENED
METER DEPTH BEHIND MOUNTING FLANGE: 1.312 INCHES NOMINAL IN
STYLE DESIGNATOR: ROUND FLUSH MTG
FSC APPLICATION DATA: TEST SET,ELECT. EQUIP.
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 2 THREADED STUD
MOUNTING FACILITY TYPE AND QUANTITY: 1 CLAMP
POINTER COLOR: BLACK SINGLE INDICATOR SINGLE RANGE
MOVEMENT TYPE: MOVING COIL, PERMANENT MAGNET
TECHNICAL CHARACTERISTICS (FLIS)
NUCLEAR HARDNESS CRITICAL FEATURENONHARDENED
METER DEPTH BEHIND MOUNTING FLANGE1.312 INCHES NOMINAL IN
STYLE DESIGNATORROUND FLUSH MTG
FSC APPLICATION DATATEST SET,ELECT. EQUIP.
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 THREADED STUD
MOUNTING FACILITY TYPE AND QUANTITY1 CLAMP
POINTER COLORBLACK SINGLE INDICATOR SINGLE RANGE
MOVEMENT TYPEMOVING COIL, PERMANENT MAGNET
SENSITIVITY RATING250.0 MICROAMPERES
OVERALL DIAMETER2.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
4903-2Upgraded Successor
successor cross-reference
successor
4903Upgraded Successor
successor cross-reference
successor
2902-01-00018Upgraded Successor
successor cross-reference
successor
TA716H3AInterchangeable
interchangeable cross-reference
interchangeable
211-536-9103Interchangeable
interchangeable cross-reference
interchangeable
4000-03Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4903?
4903 is a RESISTOR,FIXED,WIRE WOUND,INDUCT manufactured by Zyxel. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4903?
There are 16 known substitutes for 4903: 4903-2, 4903, 2902-01-00018 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4903?
4903 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-239-4242. This indicates validated use in U.S. government and defense supply chains.
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