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NSN: 5920-00-004-0272
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Cross Reference

These part numbers have the same form, fit, and function of 351svsr2
Item Number Cage
351SVSR2 77554
351GFS2 77554
351FSR 77554

Characteristic Codes

351SVSR2 spec. code meanings
Code Translation
ABBH The element, compound, or mixture of which the inclosure is fabricated, excluding any surface treatment.
ABHP The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
ABKW The distance measured in a straight line from the bottom to the top of an item.
ABMK An overall measurement taken at right angles to the length of an item, in distinction from thickness.
ALBY Indicates the designed use of the item.
ALGC The pattern or arrangement that describes the mounting configuration of the item.
ANPZ An indication of the feature/s/ of the inclosure.
AQAN The number of wires the item can accommodate.


Description: Telephone Protector
Mfr. Cage 77554


Length: 3-5/16"

ABBH Inclosure Material
ABHP Overall Length
3.312 inches
ABKW Overall Height
1.781 inches
ABMK Overall Width
2.922 inches
ALBY Usage Design
ALGC Mounting Configuration
Two unthreaded mtg holes
ANPZ Inclosure Feature
Box with slip-over cover
AQAN Wire Quantity
3 wires

Technical Definition

Protector, Telephone, also referenced with federal logistics item name code 00383 - An item specifically designed to protect the phone circuits against high potentials, such as lightning and/or abnormal electrical currents. it may include an inclosure, but does not always include the protective components such as protector blocks, heat coils, and/or fuses. excludes items which may be used in other than telephone circuits. see also arrester, lightning and fuseholder.
National Stock Number (NSN): 5920-00-004-0272

Last Modified: 02/14/2017