PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C52AProtector,telephone

American Telephone and Telegraph Co · NSN 5920-00-711-0767 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-711-0767 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-711-0767. Primary manufacturer part number: C52A.
Features
  • Protector,telephone — FSC 5920
  • Mounting Configuration: THREE 0.375 IN. DIA BY 0.250 IN LG LOCATED ALONG THE LG IN
  • Enclosure Feature: RECTANGULAR COVER
  • Usage Design: INDOOR
  • Protective Component Name: CONDUCTOR; PROTECTOR BLOCK; HEAT COIL
  • Wire Quantity: 104
  • Protective Component Quantity: 104
  • 5 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Protector,telephone, cataloged under National Stock Number 5920-00-711-0767, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is American Telephone and Telegraph Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-711-0767
Primary Part NumberC52A
Item NameProtector,telephone
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerAmerican Telephone and Telegraph Co
StatusCANCELLED
Mounting ConfigurationTHREE 0.375 IN. DIA BY 0.250 IN LG LOCATED ALONG THE LG IN
Enclosure FeatureRECTANGULAR COVER
Usage DesignINDOOR
Protective Component NameCONDUCTOR; PROTECTOR BLOCK; HEAT COIL
Wire Quantity104
Protective Component Quantity104
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3830-00-160-7567 INTERCHANGEABLE
Link
5999-00-257-7056C52 INTERCHANGEABLE
Cap,electrical
Phoenix Electric Mfg Co
3010-00-269-9876C52 INTERCHANGEABLE
Gearcase-Motor
Mpc Products Corporation Dba Woodward Mpc, Inc.
4320-00-398-9510C52A INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
4910-00-541-7148T98 INTERCHANGEABLE
Bead Breaker,pneumatic Tire
Summit Tool Company
6680-00-730-1567C52-189 INTERCHANGEABLE
Transmitter,liquid Quantity
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5961-00-764-2587 INTERCHANGEABLE
Semiconductor Device,thyristor
6680-00-903-6746C-52A INTERCHANGEABLE
Indicator,sight,liquid
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
3960-01-040-9202 INTERCHANGEABLE
Buffer,spring
7810-01-054-4028MP-5 INTERCHANGEABLE
Pitching Machine
Master Pitch Llc Div Master Pitching Machine
Cross-Reference Index
Part NumberManufacturer
C52A American Telephone and Telegraph Co (USA)
C52A Lucent Technologies Inc Dba Federal Marketing Group (USA)
C52A Lucent Technologies Inc Corporate Headquarters (USA)
C52 American Telephone and Telegraph Co (USA)
C52 At and T Corp (USA)
Related Parts
3830-00-160-7567INTERCHANGEABLE
LINK
5999-00-257-7056INTERCHANGEABLE
CAP,ELECTRICAL
C52
3010-00-269-9876INTERCHANGEABLE
GEARCASE-MOTOR
C52
4320-00-398-9510INTERCHANGEABLE
RING,WEARING
C52A
4910-00-541-7148INTERCHANGEABLE
BEAD BREAKER,PNEUMATIC TIRE
T98
6680-00-730-1567INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
C52-189
5961-00-764-2587INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
6680-00-903-6746INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
C-52A
3960-01-040-9202INTERCHANGEABLE
BUFFER,SPRING
7810-01-054-4028INTERCHANGEABLE
PITCHING MACHINE
MP-5
5315-01-160-1865INTERCHANGEABLE
PIN,SPRING
C5-2
5360-01-286-5896INTERCHANGEABLE
SPRING,SPECIAL

Frequently Asked Questions

What is NSN 5920-00-711-0767?

NSN 5920-00-711-0767 is a Protector,telephone, manufactured by American Telephone and Telegraph Co, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-711-0767?

NSN 5920-00-711-0767 has 5 cross-referenced part numbers: C52A (American Telephone and Telegraph Co), C52A (Lucent Technologies Inc Dba Federal Marketing Group), C52A (Lucent Technologies Inc Corporate Headquarters), C52 (American Telephone and Telegraph Co), C52 (At and T Corp).

What NSN replaces 5920-00-711-0767?

There are 12 known substitutes for 5920-00-711-0767: 3830-00-160-7567, 5999-00-257-7056, 3010-00-269-9876 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C52A?

Key specifications for C52A: Overall Length: 19.688 INCHES NOMINAL IN; Overall Width: 6.000 INCHES NOMINAL IN; Mounting Configuration: THREE 0.375 IN. DIA BY 0.250 IN LG LOCATED ALONG THE LG IN; Enclosure Feature: RECTANGULAR COVER. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-711-0767 still in active supply?

NSN 5920-00-711-0767 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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