PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49947Holder,electrical Contact Brush

Northfield Electric Motor Co Inc · NSN 5977-00-179-9146 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-179-9146 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-179-9146. Primary manufacturer part number: 49947.
Features
  • Holder,electrical Contact Brush — FSC 5977
  • Inside Width: 0.125 INCHES NOMINAL IN
  • Top Thread Location: EXTERNAL
  • Brush Quantity Accommodated Per Holder: 1
  • Inside Thickness: 0.234 INCHES NOMINAL IN
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Terminal Type: HOLE
  • Mounting Facility Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-179-9146, 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 Northfield Electric Motor Co Inc. Government technical data includes 10 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-179-9146
Primary Part Number49947
Item NameHolder,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerNorthfield Electric Motor Co Inc
StatusACTIVE
Inside Width0.125 INCHES NOMINAL IN
Top Thread LocationEXTERNAL
Brush Quantity Accommodated Per Holder1
Inside Thickness0.234 INCHES NOMINAL IN
Overall Diameter0.500 INCHES NOMINAL IN
Terminal TypeHOLE
Mounting Facility Quantity1
Mounting FacilityPRESS FIT
Inside Length0.844 INCHES NOMINAL IN
Terminal Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-303-134849947 INTERCHANGEABLE
Seal,dust
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5360-01-231-144349947F INTERCHANGEABLE
Spring,helical,compression
Griswold Industries Dba Cla-Val Co
Cross-Reference Index
Part NumberManufacturer
49947 Northfield Electric Motor Co Inc (USA)
Related Parts
5330-00-303-1348INTERCHANGEABLE
SEAL,DUST
49947
5360-01-231-1443INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
49947F

Frequently Asked Questions

What is NSN 5977-00-179-9146?

NSN 5977-00-179-9146 is a Holder,electrical Contact Brush, manufactured by Northfield Electric Motor Co Inc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-179-9146?

NSN 5977-00-179-9146 has 1 cross-referenced part number: 49947 (Northfield Electric Motor Co Inc).

What NSN replaces 5977-00-179-9146?

There are 2 known substitutes for 5977-00-179-9146: 5330-00-303-1348, 5360-01-231-1443. Verify interchangeability with system specifications before substitution.

What are the specifications of 49947?

Key specifications for 49947: Inside Width: 0.125 INCHES NOMINAL IN; Top Thread Location: EXTERNAL; Overall Length: 0.844 INCHES NOMINAL IN; Brush Quantity Accommodated Per Holder: 1. 11 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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