PartsTable
Technical Data Sheet
M21 ✓ Verified by PartsTable
BenQ · 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

<b>Getting focus and exposure made smart, and 1080p made easy</b><br><br>The M21 provides an easy, intuitive interface for tricky settings like exposure and focus. It’s truly the smart way to shoot 1080p Full HD video. <br><br><b>Full HD, Powerful Zoom, Big Touch Screen</b><br><br>To go with its ability to shoot 1080p Full HD video, the M21 packs in features like a 5MB CMOS sensor, 5x optical zoom, and big 3.0” 16:9 touch screen display.

With the M21, sensational results are a snap.<br><br><b>AF Lock</b><br>Just press the on-screen icon to lock focus distance for a clearly imaged subject even with movement in the background.<br><br><b>Face Exposure Tracking</b><br>Position the on-screen box around your subject’s face and let the M21 automatically set optimized exposure levels.<br><br><b>Touch Exposure</b><br>Simply slide the on-screen box to the area in the preview with the desired lighting to instantly set the exposure.<br><br><b>Dual Power Supply</b><br>For extra convenience at home This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4440-00-008-4864, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO MRO_GENERAL M21
NSN: 4440-00-008-4864
FSC: 4440
CAGE: 27970 — PANAMETRICS LLC (USA)
SPECIFICATIONS
length5.380 INCHES NOMINAL IN
diameter0.850 INCHES NOMINAL IN
materialCOPPER ALLOY AND RUBBER SYNTHETIC FLOW CONTROL DEVICE
body_styleBUTTON TYPE, W/MTG TABS
body_length0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
firing_wireINCLUDED
wire_length4.500 INCHES NOMINAL IN
flange_shapeROUND WITH HOLES SECOND END
jaw_diameter0.030 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
body_diameter0.443 INCHES MINIMUM AND 0.463 INCHES MAXIMUM IN
connection_typeTHREADED INTERNAL PIPE FIRST END
terminal_length0.245 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
NSN4440-00-008-4864
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: BenQ CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN M21 MFR BenQ CAPACITOR,FIXED,MICA D
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF MS28778-10 O-RING 1, G502 SENSOR 1, 4299B ADAPTER 1, MS9021-116 O-RING 1
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF MS28778-10 O-RING 1, G502 SENSOR 1, 4299B ADAPTER 1, MS9021-116 O-RING 1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
M21Interchangeable
interchangeable cross-reference
interchangeable
1377-M500Interchangeable
interchangeable cross-reference
interchangeable
8875978Interchangeable
interchangeable cross-reference
interchangeable
81221Interchangeable
interchangeable cross-reference
interchangeable
08834181221Interchangeable
interchangeable cross-reference
interchangeable
MT1045ARN30Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M21?
M21 is a CAPACITOR,FIXED,MICA DIELECTRIC manufactured by BenQ. It is classified as a MRO (MRO_GENERAL).
What parts can replace M21?
There are 17 known substitutes for M21: M21, 1377-M500, 8875978 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M21?
M21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4440-00-008-4864. This indicates validated use in U.S. government and defense supply chains.
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