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Permanent Magnet Loudspeaker

NSN: 5965-00-128-2991 | Model: 6C51

A loudspeaker whose diaphragm movements are produced by a coil or iron armature moving in the field of a permanent magnet.

NSN Properties and Flags
NATO Stock Number
5965-00-128-2991
DEMIL
NO
Overall Depth
4.625 inches
Overall Length
4.625 inches
Overall Width
4.625 inches
Power Rating
1.00 watts normal and 2.50 watts peak
Transducer Diameter
4.0 inches
Transformer Primary Impedance Rating In Ohms
250.0
Mounting Facility Quantity
1 and 1
Transducer Type
Cone
Mounting Facility Thread Size And Series/type Designator
3/8-24 unf
Impedance Rating In Ohms
4.0 voice coil
Mounting Method
Bracket and bolt
Special Features
Fungus resistant
Nondefinitive Specification/std Data
Ls11 type

Pricing and Availability

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NSN 5965-00-128-2991 Datasheet

Supply Class (FSC):
Microphones And Speakers Handsets Headsets
Cross Reference:
  • 6C51
Cage Codes:
  • Us Army Communications & (CAGE 80063)
Schedule B & Trade:
  • Schedule B: 8518210000 (NAICS 334310)

    Single loudspeakers, mounted in their enclosures

  • SITC: 76422

    Loudspeakers, mounted in their enclosures

  • End Use: 41210

    Stereo equipment, etc.

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

U - Precious metal content is unknown

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:

    062420 - Loudspeaker/speaker w/horn sub 1

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • ADC:

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

  • LCL:

    W - Rating variable

  • LTL:

    F - 150.0

  • SHC:

    9 - Other or no special handling required (sh)

  • TCC:

    Z - No special type of cargo code applicable

  • WCC:

    658 - Electrical appliances, small

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5965-00-128-2991 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Greece
What is the NIIN of NSN 5965-00-128-2991?
001282991 or 00-128-2991
Does NSN 5965-00-128-2991 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5965-00-128-2991?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963