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5920-00-257-2950
Telephone Protector Block
5920002572950 002572950 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. View more Telephone Protector Block
November 2023
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Restrictions 5920-00-257-2950
5920-00-257-2950 is a Telephone Protector Block that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. This item is considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item may be hazardous as it is in a Federal Supply Class for potentially hazardous items. A MSDS should be available from the supplier for the end user to evaluate any hazards. The precious metals content of this item is unknown.
End Users 5920-00-257-2950
- NASA (G900)
- Effective Date:
- 1 Apr 1991
Approved Sources 5920-00-257-2950
- Part Number
- Manufacturer
- Status
- P663
- Manufacturer
- 77554 - Reliance Comm/Tec Corp (Obsolete)
- Original Design
- Original Design
Datasheet 5920-00-257-2950
- Characteristic
- Specifications
- Circuit Protector Block Location [APZY]
- Specifications
- Ground Side
- Material [MATT]
- Carbon
- Shape [SHPE]
- Rectangular
- Overall Length [ABHP]
- 1.250 Inches Nominal
- Overall Thickness [ADUM]
- 0.188 Inches Nominal
- Overall Width [ABMK]
- 0.391 Inches Nominal
- Usage Design [ALCD]
- Used In Telephone Icrcuits For Protection Against Lightning Or High Voltage Surges
NATO Stock Numbers Related to 5920-00-257-2950
Freight Information 5920-00-257-2950
5920-00-257-2950 has freight characteristics.. 5920-00-257-2950 has a variance between NMFC and UFC when transported by rail and the description should be consulted.