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Overvoltage Absorber

NSN: 5920-01-045-9979 | Model: PA3-1

An item specifically designed to absorb and consume surges of voltage such as that resulting across contacts when breaking a circuit having an inductive load or a burst of static across a telephone receiver. It is connected in parallel with the item it is protecting. It may be made up of metallic rectifier cells or semiconductor devices connected back-to-back which may or may not be shunted by a capacitor. It may also be a single rectifier cell or semiconductor device shunted by a capacitor. Excludes metallic rectifiers which are rated for rectifying capabilities and all single unit semiconductor devices not shunted by a capacitor. For items perfoming this function by use of voltage sensitive resistors, see resistor, voltage sensitive. See also cutout disk, protective.

NSN Properties and Flags
NATO Stock Number
5920-01-045-9979
DEMIL
NO
Terminal Quantity
1 and 1
Terminal Type
Screw and solderless lug
Overall Length
2.750 inches
Overall Height
1.950 inches
Overall Width
0.375 inches
Current Type
Dc
Mounting Method
Holes and terminal
End Application
Instrument landing system (ils)
Mounting Configuration
Two 0.140 in diameter holes spaced 0.800 in ctoc inline with solder lug
Polarization Feature
Included
Shunt Capacitor
Not included
Element Material
Plastic, phenolic
Protected Item Name
Printed circuit boards
Voltage In Volts
28.0
Special Features
Function, lightning protection circuit assembly; reference data, ti-6750.115, mark 1d, ils, sec 1-12, pg 10-2

Pricing and Availability

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NSN 5920-01-045-9979 Datasheet

Supply Class (FSC):
Protectors Absorbers Arrestors Fuses
Cross Reference:
  • PA3-1
  • PA3-1
Cage Codes:
  • Diversified Electronics (CAGE 64621)
  • Acudata Systems Co Inc (CAGE 53258)
Schedule B & Trade:
  • Schedule B: 8536908010 (NAICS 335313)

    Electrical distribution ducts, for a voltage not exceeding 1, 000 v

  • SITC: 77259

    Electrical apparatus for switching or protecting electrical circuits or making connections to or in electrical circuits, n.E.S., not exceeding 1, 000 v

  • End Use: 20005

    Electric apparatus

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 critical feature such as tolerance, fit restrictions or application. nuclear hardness properties have not been determined (not valid for input).

NSN Management Codes:
  • SOS
    G69
  • AAC
    G
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    -------
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $128.47 to $214.11..
Does NSN 5920-01-045-9979 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Federal Aviation Administration, and Singapore
What is the NIIN of NSN 5920-01-045-9979?
010459979 or 01-045-9979
Does NSN 5920-01-045-9979 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5920-01-045-9979?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Aug 10, 1977