PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C52Cap,electrical

Phoenix Electric Mfg Co · NSN 5999-00-257-7056 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-257-7056 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-257-7056. Primary manufacturer part number: C52.
Features
  • Cap,electrical — FSC 5999
  • Usage Design: CAP FOR BRUSH HOLDER
  • Length: 0.344 INCHES NOMINAL IN
  • Diameter: 0.563 INCHES NOMINAL IN
  • Chain: NOT INCLUDED
  • Fastening Facility: KNURLED EDGE
  • Thread Size: 3/8-27
  • Mounting Method: THREAD
Applications
  • Applications requiring Copper Alloy Insert construction
General Description

The Cap,electrical, cataloged under National Stock Number 5999-00-257-7056, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Phoenix Electric Mfg Co. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-257-7056
Primary Part NumberC52
Item NameCap,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerPhoenix Electric Mfg Co
StatusCANCELLED
Usage DesignCAP FOR BRUSH HOLDER
Length0.344 INCHES NOMINAL IN
Diameter0.563 INCHES NOMINAL IN
ChainNOT INCLUDED
Fastening FacilityKNURLED EDGE
Thread Size3/8-27
Mounting MethodTHREAD
MaterialCOPPER ALLOY INSERT
MaterialPLASTIC BODY
InsertINCLUDED
Usage DesignCAP FOR BRUSH HOLDER
Length0.344 INCHES NOMINAL IN
Diameter0.563 INCHES NOMINAL IN
ChainNOT INCLUDED
Fastening FacilityKNURLED EDGE
Thread Size3/8-27
Mounting MethodTHREAD
MaterialCOPPER ALLOY INSERT
MaterialPLASTIC BODY
InsertINCLUDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeX
Verified Substitutes 11
3830-00-160-7567 INTERCHANGEABLE
Link
3010-00-269-9876C52 INTERCHANGEABLE
Gearcase-Motor
Mpc Products Corporation Dba Woodward Mpc, Inc.
4910-00-541-7148T98 INTERCHANGEABLE
Bead Breaker,pneumatic Tire
Summit Tool Company
5920-00-711-0767 INTERCHANGEABLE
Protector,telephone
6680-00-730-1567C52-189 INTERCHANGEABLE
Transmitter,liquid Quantity
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
3960-01-040-9202 INTERCHANGEABLE
Buffer,spring
7810-01-054-4028MP-5 INTERCHANGEABLE
Pitching Machine
Master Pitch Llc Div Master Pitching Machine
5315-01-160-1865C5-2 INTERCHANGEABLE
Pin,spring
Raytheon Company Div Rmd Strategic
5360-01-286-5896 INTERCHANGEABLE
Spring,special
5945-01-398-22498BXX-24-60 INTERCHANGEABLE
Relay,electromagnetic
Struthers-Dunn Inc.
Cross-Reference Index
Part NumberManufacturer
C52 PRIMARY Phoenix Electric Mfg Co (USA)
Related Parts
3830-00-160-7567INTERCHANGEABLE
LINK
3010-00-269-9876INTERCHANGEABLE
GEARCASE-MOTOR
C52
4910-00-541-7148INTERCHANGEABLE
BEAD BREAKER,PNEUMATIC TIRE
T98
5920-00-711-0767INTERCHANGEABLE
PROTECTOR,TELEPHONE
6680-00-730-1567INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
C52-189
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
5945-01-398-2249INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
8BXX-24-60
6680-01-417-6079INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
C52

Frequently Asked Questions

What is NSN 5999-00-257-7056?

NSN 5999-00-257-7056 is a Cap,electrical, manufactured by Phoenix Electric Mfg Co, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-257-7056?

NSN 5999-00-257-7056 has 1 cross-referenced part number: C52 (Phoenix Electric Mfg Co).

What NSN replaces 5999-00-257-7056?

There are 11 known substitutes for 5999-00-257-7056: 3830-00-160-7567, 3010-00-269-9876, 4910-00-541-7148 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C52?

Key specifications for C52: Usage Design: CAP FOR BRUSH HOLDER; Length: 0.344 INCHES NOMINAL IN; Diameter: 0.563 INCHES NOMINAL IN; Chain: NOT INCLUDED. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-257-7056 still in active supply?

NSN 5999-00-257-7056 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.
PartsTable Design LLC · partstable.com