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Telephone Protector Block

NSN: 5920-00-257-2950 | Model: P663

An item designed to be used with other similar items in an electrical circuit to form an open-space cut-out for protection against high potentials, such as lightning and/or abnormal electric currents. It is a maintenance part for a protector, telephone.

NSN Properties and Flags
NATO Stock Number
5920-00-257-2950
DEMIL
NO
Overall Length
1.250 inches
Overall Width
0.391 inches
Overall Thickness
0.188 inches
Usage Design
Used in telephone icrcuits for protection against lightning or high voltage surges
Circuit Protector Block Location
Ground side
Material
Carbon
Material
Carbon
Shape
Rectangular

Pricing and Availability

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NSN 5920-00-257-2950 Datasheet

Supply Class (FSC):
Protectors Absorbers Arrestors Fuses
Cross Reference:
  • P663
Cage Codes:
  • Reliance Comm/tec Corp (CAGE 77554)
Schedule B & Trade:
  • Schedule B: 8535400000 (NAICS 335931)

    Lightning arrestors, voltage limiters and surge suppressors, for voltage exceeding 1000 v

  • SITC: 77245

    Lightning arresters, voltage limiters and surge suppressors for a voltage exceeding 1, 000 volts

  • 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 nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5920-00-257-2950 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Tennessee Valley Authority
What is the NIIN of NSN 5920-00-257-2950?
002572950 or 00-257-2950
Does NSN 5920-00-257-2950 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5920-00-257-2950?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963