PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10420Brush,electrical Contact

Miraj Corp · NSN 5977-00-947-4029 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-947-4029 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-947-4029. Primary manufacturer part number: 10420.
Features
  • Brush,electrical Contact — FSC 5977
  • Pressure Spring Type and Quantity: 1 CYLINDRICAL
  • Thickness: 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
  • Body Style: RECTANGULAR SLIP RING
  • Length: 0.687 INCHES NOMINAL IN
  • Terminal Diameter: 0.304 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Brush Shunt Length: 0.917 INCHES NOMINAL SINGLE SHUNT IN
Applications
  • Applications requiring Carbon Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-947-4029, 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 Miraj Corp. Government technical data includes 17 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: Active.

Technical Specifications
ParameterValue
NSN5977-00-947-4029
Primary Part Number10420
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerMiraj Corp
StatusACTIVE
Pressure Spring Type and Quantity1 CYLINDRICAL
Thickness0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Body StyleRECTANGULAR SLIP RING
Length0.687 INCHES NOMINAL IN
Terminal Diameter0.304 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Shunt Insulation Provision and Quantity1 UNINSULATED
Brush Shunt Length0.917 INCHES NOMINAL SINGLE SHUNT IN
Material Document and ClassificationCARBONE CARBON GRADE 497 MFR REF SINGLE MATERIAL RESPONSE
MaterialCARBON GRAPHITE
Contact Face StyleCONCAVE
Style DesignatorONE PIECE
Largest Outside Diameter0.150 INCHES NOMINAL IN
Shunt Position Designator5
Terminal Type and Quantity1 ROUND CAP W/EARS
Spring Free Length1.625 INCHES NOMINAL IN
Radius0.625 INCHES NOMINAL IN
Width0.085 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-203-3903 INTERCHANGEABLE
Hose Assembly,nonmetallic
4320-00-218-390710420 INTERCHANGEABLE
Ring,wearing
Rps-Fl, Inc. Dba Rps Inc
5342-00-432-1557522111E-588-Z INTERCHANGEABLE
Coupling,clamp,grooved
Voss Industries, Llc
6625-00-450-2067 INTERCHANGEABLE
Voltmeter
3455-00-554-731910420 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
4720-00-764-6741 INTERCHANGEABLE
Hose Assembly,nonmetallic
4730-00-813-7558104-20 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Crane Carrier Company, Llc
5360-00-833-32021536968 INTERCHANGEABLE
Spring,helical,compression
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-01-033-8442PL93-6B INTERCHANGEABLE
Connector,plug,electrical
Trompeter Electronics, Inc.
4820-01-189-4693 INTERCHANGEABLE
Retainer,ball
Cross-Reference Index
Part NumberManufacturer
10420 PRIMARY Miraj Corp (USA)
1536968 Honeywell International, Inc Div Aerospace-Tucson (USA)
1536968 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
Related Parts
4720-00-203-3903INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4320-00-218-3907INTERCHANGEABLE
RING,WEARING
10420
5342-00-432-1557INTERCHANGEABLE
COUPLING,CLAMP,GROOVED
522111E-588-Z
6625-00-450-2067INTERCHANGEABLE
VOLTMETER
3455-00-554-7319INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10420
4720-00-764-6741INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4730-00-813-7558INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
104-20
5360-00-833-3202INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1536968
5935-01-033-8442INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
PL93-6B
4820-01-189-4693INTERCHANGEABLE
RETAINER,BALL
4820-01-276-3496INTERCHANGEABLE
PARTS KIT,LINEAR DIRECTIONAL CON
10420
6540-01-512-7395INTERCHANGEABLE
LAMP FOR VISION TESTER
10420

Frequently Asked Questions

What is NSN 5977-00-947-4029?

NSN 5977-00-947-4029 is a Brush,electrical Contact, manufactured by Miraj Corp, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-947-4029?

NSN 5977-00-947-4029 has 3 cross-referenced part numbers: 10420 (Miraj Corp), 1536968 (Honeywell International, Inc Div Aerospace-Tucson), 1536968 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site).

What NSN replaces 5977-00-947-4029?

There are 12 known substitutes for 5977-00-947-4029: 4720-00-203-3903, 4320-00-218-3907, 5342-00-432-1557 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10420?

Key specifications for 10420: Pressure Spring Type and Quantity: 1 CYLINDRICAL; Thickness: 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Body Style: RECTANGULAR SLIP RING; Length: 0.687 INCHES NOMINAL IN. 17 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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