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Technical Data Sheet
04491 ✓ Verified by PartsTable
· 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

The 04491 is a the manufacturer industrial component. Key specifications include color: UNABLE TO DECODE, material: STEEL, movement_type: MOVING IRON VANE, pointer_color: BLACK SINGLE INDICATOR SINGLE RANGE, indicator_type: DIAL W/POINTER, overall_length: 2.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-985-5019, 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 04491
NSN: 6625-00-985-5019
FSC: 6625
CAGE: 55026 — SIMPSON ELECTRIC COMPANY, INC. (USA)
SPECIFICATIONS
colorUNABLE TO DECODE
materialSTEEL
movement_typeMOVING IRON VANE
pointer_colorBLACK SINGLE INDICATOR SINGLE RANGE
indicator_typeDIAL W/POINTER
overall_length2.000 INCHES NOMINAL IN
overall_diameter3.500 INCHES NOMINAL IN
special_featuresRUGGEDIZED
special_markingsRED LINE AT 100 PERCENT; SEALED DO NOT OPEN ON BACK
style_designatorROUND FLUSH MTG
unable_to_decodeUNABLE TO DECODE
features_providedZERO ADJUSTER
NSN6625-00-985-5019
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 04491 TITLE COMPONENT PN 04491 MFR 04491
KEY FEATURES
FEATURES PROVIDED: ZERO ADJUSTER
CIRCUIT CURRENT FOR WHICH DESIGNED: AC
ENVIRONMENTAL PROTECTION: DUST RESISTANT AND HUMIDITY RESISTANT AND WATER RESISTANT
OVERALL DIAMETER: 3.500 INCHES NOMINAL IN
NUCLEAR HARDNESS CRITICAL FEATURE: NONHARDENED
MATERIAL: STEEL
COLOR: UNABLE TO DECODE
SPECIAL MARKINGS: RED LINE AT 100 PERCENT; SEALED DO NOT OPEN ON BACK
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDZERO ADJUSTER
CIRCUIT CURRENT FOR WHICH DESIGNEDAC
ENVIRONMENTAL PROTECTIONDUST RESISTANT AND HUMIDITY RESISTANT AND WATER RESISTANT
OVERALL DIAMETER3.500 INCHES NOMINAL IN
NUCLEAR HARDNESS CRITICAL FEATURENONHARDENED
MATERIALSTEEL
COLORUNABLE TO DECODE
SPECIAL MARKINGSRED LINE AT 100 PERCENT; SEALED DO NOT OPEN ON BACK
FSC APPLICATION DATATEST SET,ELECT. EQUIP.
SURFACE TREATMENTPAINT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
04491Interchangeable
interchangeable cross-reference
interchangeable
B52-1033Interchangeable
interchangeable cross-reference
interchangeable
366-289Interchangeable
interchangeable cross-reference
interchangeable
366-181Interchangeable
Same NIIN cross-reference
interchangeable
26727-B52-1033Interchangeable
Same NIIN cross-reference
interchangeable
637-16259Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 04491?
04491 is a 04491. It is classified as a MRO (MRO_GENERAL).
What parts can replace 04491?
There are 8 known substitutes for 04491: 04491, B52-1033, 366-289 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 04491?
04491 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-985-5019. This indicates validated use in U.S. government and defense supply chains.
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