PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MAW-12Brush,electrical Contact

Prestolite Electric Inc · NSN 5977-00-233-1046 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-233-1046 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-233-1046. Primary manufacturer part number: MAW-12.
Features
  • Brush,electrical Contact — FSC 5977
  • Shunt Position Designator: 2 AND 8
  • Shunt Insulation Provision and Quantity: 2 INSULATED
  • Brush Shunt Length: 3.750 INCHES NOMINAL ALL SHUNTS IN
  • Thickness: 0.275 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
  • Length: 0.508 INCHES NOMINAL IN
  • Style Designator: ONE PIECE
  • Radius: 0.875 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-233-1046, 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 Prestolite Electric Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-233-1046
Primary Part NumberMAW-12
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusCANCELLED
Shunt Position Designator2 AND 8
Shunt Insulation Provision and Quantity2 INSULATED
Brush Shunt Length3.750 INCHES NOMINAL ALL SHUNTS IN
Thickness0.275 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
Length0.508 INCHES NOMINAL IN
Style DesignatorONE PIECE
Radius0.875 INCHES NOMINAL IN
MaterialCOPPER GRAPHITE
Top StyleFLAT WITH LEFT AND RIGHT SHOULDER
Width0.867 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Contact Face StyleCONCAVE
Body StyleRECTANGULAR COMMUTATOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
6625-00-166-1029 INTERCHANGEABLE
Resistor,decade
5940-00-192-99621390 INTERCHANGEABLE
Terminal Board
Birnbach Co Inc
6110-00-236-4139 INTERCHANGEABLE
Controller,motor
1650-00-237-1539DS-934286 INTERCHANGEABLE
Ring,mating
Eaton Aerospace, Llc Dba Jackson South
5325-00-765-8090 INTERCHANGEABLE
Ring,retaining
5905-00-846-1089247E5R05 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Sprague Electric Co World Hqs
4710-00-858-04374749 INTERCHANGEABLE
Tube,metallic
Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co
5950-01-017-0769143073 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation
5120-01-400-0225 INTERCHANGEABLE
Handle,socket Wrench
1025-01-417-931212009361 INTERCHANGEABLE
RE198 Recoil Exerciser
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Cross-Reference Index
Part NumberManufacturer
MAW-12 Sasco Inc Canadian Div
636838 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
MAW-12 Prestolite Electric Inc (USA)
4-749 Stackpole Components Co Sub of the Stackpole Corp (USA)
MAW-12 Prestolite Div of Bunker Ramo-Eltra Corp Eltra Corp (USA)
7411866 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
636838 Atwood Fence Co Inc (USA)
MAW-12 PRIMARY Prestolite Electric Inc (USA)
Related Parts
6625-00-166-1029INTERCHANGEABLE
RESISTOR,DECADE
5940-00-192-9962INTERCHANGEABLE
TERMINAL BOARD
1390
6110-00-236-4139INTERCHANGEABLE
CONTROLLER,MOTOR
1650-00-237-1539INTERCHANGEABLE
RING,MATING
DS-934286
5325-00-765-8090INTERCHANGEABLE
RING,RETAINING
5905-00-846-1089INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
247E5R05
4710-00-858-0437INTERCHANGEABLE
TUBE,METALLIC
4749
5950-01-017-0769INTERCHANGEABLE
TRANSFORMER,POWER
143073
5120-01-400-0225INTERCHANGEABLE
HANDLE,SOCKET WRENCH
1025-01-417-9312INTERCHANGEABLE
RE198 RECOIL EXERCISER
12009361

Frequently Asked Questions

What is NSN 5977-00-233-1046?

NSN 5977-00-233-1046 is a Brush,electrical Contact, manufactured by Prestolite Electric Inc, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-233-1046?

NSN 5977-00-233-1046 has 8 cross-referenced part numbers: MAW-12 (Sasco Inc Canadian Div), 636838 (Chrysler Realty Company Llc Dba Daimler Chrysler), MAW-12 (Prestolite Electric Inc), 4-749 (Stackpole Components Co Sub of the Stackpole Corp), MAW-12 (Prestolite Div of Bunker Ramo-Eltra Corp Eltra Corp) and 3 more.

What NSN replaces 5977-00-233-1046?

There are 10 known substitutes for 5977-00-233-1046: 6625-00-166-1029, 5940-00-192-9962, 6110-00-236-4139 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MAW-12?

Key specifications for MAW-12: Shunt Position Designator: 2 AND 8; Shunt Insulation Provision and Quantity: 2 INSULATED; Brush Shunt Length: 3.750 INCHES NOMINAL ALL SHUNTS IN; Thickness: 0.275 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-233-1046 still in active supply?

NSN 5977-00-233-1046 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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