PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1506220Holder,electrical Contact Brush

Northrop Grumman Systems Corporation · NSN 5977-00-856-1858 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-856-1858 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-856-1858. Primary manufacturer part number: 1506220.
Features
  • Holder,electrical Contact Brush — FSC 5977
  • Terminal Quantity: 2
  • Overall Thickness: 1.625 INCHES NOMINAL IN
  • Furnished Items and Quantity: 1 RESISTOR AND 1 BRUSH
  • Mounting Facility Quantity: 4
  • Mounting Facility: SLOT AND UNTHREADED HOLES
  • Brush Quantity Accommodated Per Holder: 1
  • Terminal Type: SOLDER LUG
Applications
  • Applications requiring Plastic Phenolic Box construction
General Description

The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-856-1858, 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 Northrop Grumman Systems Corporation. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5977-00-856-1858
Primary Part Number1506220
Item NameHolder,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
Terminal Quantity2
Overall Thickness1.625 INCHES NOMINAL IN
Furnished Items and Quantity1 RESISTOR AND 1 BRUSH
Mounting Facility Quantity4
Mounting FacilitySLOT AND UNTHREADED HOLES
Brush Quantity Accommodated Per Holder1
Terminal TypeSOLDER LUG
MaterialPLASTIC PHENOLIC BOX
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1560-00-037-118423014 INTERCHANGEABLE
Fastener,aircraft
Bridgestone Americas Tire Operations, Llc
2815-00-404-773423014 INTERCHANGEABLE
Shaft Assembly
Industrial Technologies and Services Llc
5999-01-078-9636 INTERCHANGEABLE
Contact Assembly,electrical
3040-01-149-347323014 INTERCHANGEABLE
Pawl
Columbus Mckinnon Corp
5940-01-167-435723014 INTERCHANGEABLE
Splice,conductor
Barnes Group Inc. Dba Barnes Distribution
5315-01-250-316023014 INTERCHANGEABLE
Key,woodruff
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
3040-01-363-708123014 INTERCHANGEABLE
Adapter,spline
Parker Hannifin Corporation Div Hydraulic Systems Division
6525-01-380-7882 INTERCHANGEABLE
Fixer,x-Ray Film Processing
3040-01-461-54753418AS6555 INTERCHANGEABLE
Pivot,joint
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5315-01-521-762123014 INTERCHANGEABLE
Key,machine
Crane Deming Pump Co
Cross-Reference Index
Part NumberManufacturer
2301-4 Wolverine Tube Inc. Dba Wolverine Joining Technologies (USA)
1506220 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1506220 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
1560-00-037-1184INTERCHANGEABLE
FASTENER,AIRCRAFT
23014
2815-00-404-7734INTERCHANGEABLE
SHAFT ASSEMBLY
23014
5999-01-078-9636INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
3040-01-149-3473INTERCHANGEABLE
PAWL
23014
5940-01-167-4357INTERCHANGEABLE
SPLICE,CONDUCTOR
23014
5315-01-250-3160INTERCHANGEABLE
KEY,WOODRUFF
23014
3040-01-363-7081INTERCHANGEABLE
ADAPTER,SPLINE
23014
6525-01-380-7882INTERCHANGEABLE
FIXER,X-RAY FILM PROCESSING
3040-01-461-5475INTERCHANGEABLE
PIVOT,JOINT
3418AS6555
5315-01-521-7621INTERCHANGEABLE
KEY,MACHINE
23014
9905-01-618-3637INTERCHANGEABLE
PLATE,IDENTIFICATION
2301-4
5970-01-685-0514INTERCHANGEABLE
REPAIR KIT,ELECTRICAL CABLE INSU
23014

Frequently Asked Questions

What is NSN 5977-00-856-1858?

NSN 5977-00-856-1858 is a Holder,electrical Contact Brush, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-856-1858?

NSN 5977-00-856-1858 has 3 cross-referenced part numbers: 2301-4 (Wolverine Tube Inc. Dba Wolverine Joining Technologies), 1506220 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1506220 (Northrop Grumman Systems Corporation).

What NSN replaces 5977-00-856-1858?

There are 12 known substitutes for 5977-00-856-1858: 1560-00-037-1184, 2815-00-404-7734, 5999-01-078-9636 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1506220?

Key specifications for 1506220: Terminal Quantity: 2; Overall Thickness: 1.625 INCHES NOMINAL IN; Furnished Items and Quantity: 1 RESISTOR AND 1 BRUSH; Mounting Facility Quantity: 4. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-856-1858 still in active supply?

NSN 5977-00-856-1858 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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