PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101-506Ring,electrical Contact Brush Ho

Imperial Electric Co · NSN 5977-00-379-2182 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-379-2182 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-379-2182. Primary manufacturer part number: 101-506.
Features
  • Ring,electrical Contact Brush Ho — FSC 5977
  • Material: FIBER
  • Overall Thickness: 0.313 INCHES NOMINAL IN
  • Overall Diameter: 5.559 INCHES MINIMUM AND 5.563 INCHES MAXIMUM IN
  • Shape: CIRCULAR
  • Mounting Configuration: FOUR 3/8 IN. DIA MTG HOLES SPACED 90 DEG APART ON 4-9/16 IN. DIA BOLT CIRCLE IN
  • 1 verified cross-reference
  • Primary manufacturer: Imperial Electric Co
Applications
  • Applications requiring Fiber construction
General Description

The Ring,electrical Contact Brush Ho, cataloged under National Stock Number 5977-00-379-2182, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Imperial Electric Co. Government technical data includes 5 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-379-2182
Primary Part Number101-506
Item NameRing,electrical Contact Brush Ho
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerImperial Electric Co
StatusACTIVE
MaterialFIBER
Overall Thickness0.313 INCHES NOMINAL IN
Overall Diameter5.559 INCHES MINIMUM AND 5.563 INCHES MAXIMUM IN
ShapeCIRCULAR
Mounting ConfigurationFOUR 3/8 IN. DIA MTG HOLES SPACED 90 DEG APART ON 4-9/16 IN. DIA BOLT CIRCLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5331-00-052-6805 INTERCHANGEABLE
O-Ring
5998-00-147-2941101506 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
5955-01-108-1950 INTERCHANGEABLE
Oscillator,noncrystal Controlled
5360-01-164-4416 INTERCHANGEABLE
Spring,helical,compression
5998-01-221-1065 INTERCHANGEABLE
Circuit Card Assembly
4730-01-620-0551 INTERCHANGEABLE
Flange,pipe
Cross-Reference Index
Part NumberManufacturer
101-506 PRIMARY Imperial Electric Co (USA)
Related Parts
5331-00-052-6805INTERCHANGEABLE
O-RING
5998-00-147-2941INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
101506
5955-01-108-1950INTERCHANGEABLE
OSCILLATOR,NONCRYSTAL CONTROLLED
5360-01-164-4416INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5998-01-221-1065INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4730-01-620-0551INTERCHANGEABLE
FLANGE,PIPE

Frequently Asked Questions

What is NSN 5977-00-379-2182?

NSN 5977-00-379-2182 is a Ring,electrical Contact Brush Ho, manufactured by Imperial Electric Co, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-379-2182?

NSN 5977-00-379-2182 has 1 cross-referenced part number: 101-506 (Imperial Electric Co).

What NSN replaces 5977-00-379-2182?

There are 6 known substitutes for 5977-00-379-2182: 5331-00-052-6805, 5998-00-147-2941, 5955-01-108-1950 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101-506?

Key specifications for 101-506: Material: FIBER; Overall Thickness: 0.313 INCHES NOMINAL IN; Overall Diameter: 5.559 INCHES MINIMUM AND 5.563 INCHES MAXIMUM IN; Shape: CIRCULAR. 5 total characteristics are documented in the Federal Logistics Information System.

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