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Automatic Gas Alarm

NSN: 6665-01-530-2725 | Model: CM-21A

A device which detects the presence of hazardous gases or vapors, toxic explosives, and/or sounds an alarm, and/or lights or flashes lights of distinctive color when the concentration reaches a dangerous level. Excludes alarm, chemical agent, automatic.

NSN Properties and Flags
NATO Stock Number
6665-01-530-2725
DEMIL
NO
Cubic Measure
38.250 cubic inches
Usage Design
Industrial
Specific Usage Design
Designed for co detection and automated exhaust fan control in automotive maintenance facilites, enclosed parking garages, warehouses with forklifts, etc.
Indicator Type
Red light and horn
Design Type
Nontripod mounting
Media Detected
Carbon monoxide
Part Name Assigned By Controlling Agency
Carbon monoxide detector and controller
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.
Supplementary Features
Dimentions are 4.5 x 4 x 2.125 inches. Item should be mounted 4 to 5 feet above floor level.
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7M115Q5846 2015-09-14 PMCMX 10 EA

Pricing and Availability

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NSN 6665-01-530-2725 Datasheet

Supply Class (FSC):
Hazard-detecting Instruments And Apparatus
Cross Reference:
  • CM-21A
  • CM-21A
  • MA-CM6
Cage Codes:
  • 3m Company (CAGE 76381)
  • Aerion Technologies, Inc (CAGE 2Y359)
Schedule B & Trade:
  • Schedule B: 9027505000 (NAICS 334516)

    Other chemical analysis instruments and apparatus, nesoi

  • SITC: 87445

    Instruments and apparatus using optical radiations (ultraviolet, visible, infrared), n.E.S.

  • End Use: 21600

    Laboratory testing instruments

Identification:
HMIC

P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

PMIC

A - Item does not contain precious metal.

ESD

A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    133300 - Machinery/machines noi

  • WCC:

    652 - Instruments, scientific

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Z
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Q2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,477.97 to $2,463.28..
Does NSN 6665-01-530-2725 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army
What is the NIIN of NSN 6665-01-530-2725?
015302725 or 01-530-2725
Does NSN 6665-01-530-2725 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6665-01-530-2725?
Solicitation SPE7M115Q5846 for qty 10 on 09/04/2015
When was this national stock number assigned to the federal catalog?
May 19, 2005