PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AW-103Brush,electrical Contact

Hobart Bros Co · NSN 5977-00-284-9901 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-284-9901 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-284-9901. Primary manufacturer part number: AW-103.
Features
  • Brush,electrical Contact — FSC 5977
  • Material Document and Classification: SUPERIOR CARBON PRODUCTS INC,GRADE 554 MFR REF SINGLE MATERIAL RESPONSE
  • Material: COPPER GRAPHITE
  • Brush Shunt Length: 3.750 INCHES NOMINAL SINGLE SHUNT IN
  • Style Designator: ONE PIECE
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Terminal Slot Width: 0.188 INCHES NOMINAL IN
  • Top Style: FLAT WITH RIGHT EDGE BEVELED
Applications
  • Applications requiring Copper Graphite construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-284-9901, 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 Hobart Bros Co. Government technical data includes 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5977-00-284-9901
Primary Part NumberAW-103
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerHobart Bros Co
StatusCANCELLED
Material Document and ClassificationSUPERIOR CARBON PRODUCTS INC,GRADE 554 MFR REF SINGLE MATERIAL RESPONSE
MaterialCOPPER GRAPHITE
Brush Shunt Length3.750 INCHES NOMINAL SINGLE SHUNT IN
Style DesignatorONE PIECE
Shunt Insulation Provision and Quantity1 UNINSULATED
Terminal Slot Width0.188 INCHES NOMINAL IN
Top StyleFLAT WITH RIGHT EDGE BEVELED
Width0.995 INCHES NOMINAL IN
Shunt Position Designator5
Contact Face StyleCONCAVE
Bevel Depth0.250 INCHES NOMINAL IN
Thickness0.745 INCHES NOMINAL IN
Radius3.750 INCHES NOMINAL IN
Length1.750 INCHES NOMINAL IN
Body StyleRECTANGULAR SLIP RING
Bevel Length0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5330-00-769-83517701286 INTERCHANGEABLE
Seal,plain Encased
U S Army Tank Automotive Command Amsta-Im-Mm
1270-01-088-2570126158 INTERCHANGEABLE
Duct,amplifier
Lockheed Martin Corp Electronics and Missiles Div
Cross-Reference Index
Part NumberManufacturer
17-13-36989 Chief of Engineers Dept of Army (USA)
12615-8 Curtis-Toledo, Inc. (USA)
AW-103 PRIMARY Hobart Bros Co (USA)
Related Parts
5330-00-769-8351INTERCHANGEABLE
SEAL,PLAIN ENCASED
7701286
1270-01-088-2570INTERCHANGEABLE
DUCT,AMPLIFIER
126158

Frequently Asked Questions

What is NSN 5977-00-284-9901?

NSN 5977-00-284-9901 is a Brush,electrical Contact, manufactured by Hobart Bros Co, classified under FSC 5977 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5977-00-284-9901?

NSN 5977-00-284-9901 has 3 cross-referenced part numbers: 17-13-36989 (Chief of Engineers Dept of Army), 12615-8 (Curtis-Toledo, Inc.), AW-103 (Hobart Bros Co).

What NSN replaces 5977-00-284-9901?

There are 2 known substitutes for 5977-00-284-9901: 5330-00-769-8351, 1270-01-088-2570. Verify interchangeability with system specifications before substitution.

What are the specifications of AW-103?

Key specifications for AW-103: Material Document and Classification: SUPERIOR CARBON PRODUCTS INC,GRADE 554 MFR REF SINGLE MATERIAL RESPONSE; Material: COPPER GRAPHITE; Brush Shunt Length: 3.750 INCHES NOMINAL SINGLE SHUNT IN; Style Designator: ONE PIECE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5977-00-284-9901 still in active supply?

NSN 5977-00-284-9901 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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