PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1633-4Brush,electrical Contact

Carbon/graphite Group Inc the · NSN 5977-00-245-2063 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-245-2063 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-245-2063. Primary manufacturer part number: A1633-4.
Features
  • Brush,electrical Contact — FSC 5977
  • Contact Face Style: CONCAVE
  • Top Style: FLAT WITH RECTANGULAR SLOT
  • Material Document and Classification: SPEER CARBON CO,GR E-25 MFR REF SINGLE MATERIAL RESPONSE
  • Shunt Insulation Provision and Quantity: 1 INSULATED
  • Material: ELECTROGRAPHITIC
  • Style Designator: ONE PIECE
  • Width: 0.625 INCHES NOMINAL IN
Applications
  • Applications requiring Electrographitic construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-245-2063, 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 Carbon/graphite Group Inc the. Government technical data includes 18 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-245-2063
Primary Part NumberA1633-4
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerCarbon/graphite Group Inc the
StatusCANCELLED
Contact Face StyleCONCAVE
Top StyleFLAT WITH RECTANGULAR SLOT
Material Document and ClassificationSPEER CARBON CO,GR E-25 MFR REF SINGLE MATERIAL RESPONSE
Shunt Insulation Provision and Quantity1 INSULATED
MaterialELECTROGRAPHITIC
Style DesignatorONE PIECE
Width0.625 INCHES NOMINAL IN
Outer Edge to Slot Edge Distance0.156 INCHES NOMINAL IN
Slot Depth0.062 INCHES NOMINAL IN
Length0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
Thickness0.402 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
Terminal Hole Diameter0.219 INCHES NOMINAL IN
Shunt Position Designator2
Brush Shunt Length1.875 INCHES NOMINAL SINGLE SHUNT IN
Slot Width0.312 INCHES NOMINAL IN
Radius1.609 INCHES NOMINAL IN
Body StyleRECTANGULAR COMMUTATOR
Terminal Type and Quantity1 STRAIGHT W/HOLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2530-00-435-43371219-938 INTERCHANGEABLE
Valve,brake Pneumatic
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
3040-00-846-1645101904 INTERCHANGEABLE
Shaft,shouldered
Allianz Sweeper Company
5310-01-022-3826101904 INTERCHANGEABLE
Washer,flat
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5895-01-175-5803101904 INTERCHANGEABLE
Interference Blanker Set
Aimtron Systems, Llc
5365-01-534-6173101904 INTERCHANGEABLE
Spacer,ring
Polyamp Aktiebolag Div Polyamp Ab
5895-01-535-9058101904 INTERCHANGEABLE
Interface Unit,communication Equ
Hii Unmanned Systems, Inc
8105-01-733-4275101904 INTERCHANGEABLE
Bag,textile
Axon Enterprise, Inc.
Cross-Reference Index
Part NumberManufacturer
A1633-4 Penetone Corporation Dba West Penetone (USA)
A1633-4 PRIMARY Carbon/graphite Group Inc the (USA)
10190-4 Miraj Corp (USA)
Related Parts
2530-00-435-4337INTERCHANGEABLE
VALVE,BRAKE PNEUMATIC
1219-938
3040-00-846-1645INTERCHANGEABLE
SHAFT,SHOULDERED
101904
5310-01-022-3826INTERCHANGEABLE
WASHER,FLAT
101904
5895-01-175-5803INTERCHANGEABLE
INTERFERENCE BLANKER SET
101904
5365-01-534-6173INTERCHANGEABLE
SPACER,RING
101904
5895-01-535-9058INTERCHANGEABLE
INTERFACE UNIT,COMMUNICATION EQU
101904
8105-01-733-4275INTERCHANGEABLE
BAG,TEXTILE
101904

Frequently Asked Questions

What is NSN 5977-00-245-2063?

NSN 5977-00-245-2063 is a Brush,electrical Contact, manufactured by Carbon/graphite Group Inc the, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-245-2063?

NSN 5977-00-245-2063 has 3 cross-referenced part numbers: A1633-4 (Penetone Corporation Dba West Penetone), A1633-4 (Carbon/graphite Group Inc the), 10190-4 (Miraj Corp).

What NSN replaces 5977-00-245-2063?

There are 7 known substitutes for 5977-00-245-2063: 2530-00-435-4337, 3040-00-846-1645, 5310-01-022-3826 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1633-4?

Key specifications for A1633-4: Contact Face Style: CONCAVE; Top Style: FLAT WITH RECTANGULAR SLOT; Material Document and Classification: SPEER CARBON CO,GR E-25 MFR REF SINGLE MATERIAL RESPONSE; Shunt Insulation Provision and Quantity: 1 INSULATED. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-245-2063 still in active supply?

NSN 5977-00-245-2063 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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