Buy CM-21A Part of 3M Company with NSN 6665-01-530-2725
MPN: CM-21A
Alternate P/N: CM21A
Manufacturer: 3M Company
NSN: 6665-01-530-2725
Item Name: Alarm Gas Automatic
CAGE Code: 76381
Part number CM-21A is available for immediate shipping. The NSN for part number is 6665015302725. This part is manufactured by 3M Company. It is described as Alarm Gas Automatic. Would you like to request a quote for part number CM-21A? Please fill out the form.
The form includes various important fields such as your contact details, Need Parts By, and Quantity. Please make sure to fill out all these fields accordingly before clicking to submit the form. Our experts will review your answers for Need Parts By and Quantity to calculate your quote.

Upload RFQ Sheet
If you have more than one item, upload your spreadsheet here
Characteristics Data of NSN 6665-01-530-2725, 6665015302725
MRC | Criteria | Characteristic |
---|---|---|
APGF | DESIGN TYPE | NONTRIPOD MOUNTING |
AFJK | III CUBIC MEASURE | 38.250 CUBIC INCHES |
SUPP | III SUPPLEMENTARY FEATURES | DIMENTIONS ARE 4.5 X 4 X 2.125 INCHES. ITEM SHOULD BE MOUNTED 4 TO 5 FEET ABOVE FLOOR LEVEL. |
FEAT | SPECIAL FEATURES | CM-21A ACTIVATES FAN RELAY AT 35 PPM OF CO AVERAGED OVER 5 MINUTES. (25 PPM IS SELECTABLE) ALARM RELAY WILL BE ACTIVATED AT 100 PPM OF CO AFTER 30 MINTUTES OR 200 PPM AFTER 10 MINUTES. 5 AMP SPDT FAN RELAY CONTROLS STARTERS OF EXHAUST FANS. A 0.5 AMP N.O. ALARM RELAY CONNECTS TO WARNING DEVICES OR CONTROL PANELS. |
BRQN | MEDIA DETECTED | CARBON MONOXIDE |
CXCY | III PART NAME ASSIGNED BY CONTROLLING AGENCY | CARBON MONOXIDE DETECTOR AND CONTROLLER |
ALBY | USAGE DESIGN | INDUSTRIAL |
ALXZ | SPECIFIC USAGE DESIGN | DESIGNED FOR CO DETECTION AND AUTOMATED EXHAUST FAN CONTROL IN AUTOMOTIVE MAINTENANCE FACILITES, ENCLOSED PARKING GARAGES, WAREHOUSES WITH FORKLIFTS, ETC. |
AMKD | INDICATOR TYPE | RED LIGHT AND HORN |
Sought-After NSN Components List
Leading NSN Part Manufacturers