4A20T
View detailed technical data, stock status, and sourcing information for: 4A20T
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Federal Supply Group
Electrical and Electronic Equipment Components
Federal Supply Classification
5965 Microphones and Speakers Handsets Headsets
National Stock Number
5965-01-008-8712
Item Name Code
15771
Assigment Date
08/31/1975 (50 years ago)
4.094 inches nominal overall length, 1.625 inches nominal overall depth, 2 terminal quantity, tab, solder lug terminal type, 3.312 inches nominal center to center distance between mounting facilities parallel to length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Terminal Quantity
- 2
- Terminal Type
- tab, solder lug
- Overall Depth
- 1.625 inches nominal
- Overall Length
- 4.094 inches nominal
- Center To Center Distance Between Mounting Facilities Parallel To Length
- 3.312 inches nominal
- Center To Center Distance Between Mounting Facilities Parallel To Width
- 3.312 inches nominal
- Overall Width
- 4.094 inches nominal
- Mounting Hole Diameter
- 0.156 inches nominal
- Frequency Response Range In Hertz
- +125.0 to 10000.0
- Power Rating
- 4.00 watts normal
- Transducer Diameter
- 3.0 inches nominal
- Voice Coil Diameter
- 0.750 inches nominal
- Mounting Facility Quantity
- 4
- Transducer Type
- cone
- Usage Design
- outdoor
- Installation Design
- nonportable
- Impedance Rating In Ohms
- 3.2 voice coil nominal
- Mounting Method
- unthreaded hole
- Style Designator
- square
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5965-00-100-6653 | No Name Available | 11/01/1977 |
| 5965-00-241-3745 | No Name Available | 11/01/1978 |
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FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5965-01-008-8712?
The FSCG of the NSN 5965-01-008-8712 is 5965
Does the NSN 5965-01-008-8712 have a Schedule B code assigned?
Yes, the Schedule B code is 8518210000
Does NSN 5965-01-008-8712 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5965-01-008-8712 contain precious materials?
Precious metal content is unknown
Does NSN 5965-01-008-8712 contain hazardous materials?
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 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.
When the NSN 5965-01-008-8712 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Sun, Aug 31, 1975
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