PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40541Ring,electrical Contact

Raytheon Company Div Corp · NSN 5977-01-566-1093 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-566-1093 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-566-1093. Primary manufacturer part number: 40541.
Features
  • Ring,electrical Contact — FSC 5977
  • Material: FIBER AND COPPER ALLOY
  • Inside Diameter: 3.150 INCHES NOMINAL IN
  • Outside Diameter: 3.700 INCHES NOMINAL IN
  • Shape: CYLINDRICAL
  • 2 verified cross-references
  • Primary manufacturer: Raytheon Company Div Corp
Applications
  • Applications requiring Fiber and Copper Alloy construction
General Description

The Ring,electrical Contact, cataloged under National Stock Number 5977-01-566-1093, 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 Raytheon Company Div Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-01-566-1093
Primary Part Number40541
Item NameRing,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerRaytheon Company Div Corp
StatusACTIVE
MaterialFIBER AND COPPER ALLOY
Inside Diameter3.150 INCHES NOMINAL IN
Outside Diameter3.700 INCHES NOMINAL IN
ShapeCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-387-175840541 INTERCHANGEABLE
Transformer,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
4140-00-531-66964054-1 INTERCHANGEABLE
Fan-Flow Control Un
Hamilton Sundstrand Corporation
5950-00-860-081085099 INTERCHANGEABLE
Transformer,pulse
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3455-00-865-022111650 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
6680-01-098-968740541 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5331-01-221-965140541 INTERCHANGEABLE
O-Ring
Sullair Corp
5133-01-460-235540541 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
Cross-Reference Index
Part NumberManufacturer
40541 Kollmorgen Corp (USA)
40541 PRIMARY Raytheon Company Div Corp (USA)
Related Parts
5950-00-387-1758INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
40541
4140-00-531-6696INTERCHANGEABLE
FAN-FLOW CONTROL UN
4054-1
5950-00-860-0810INTERCHANGEABLE
TRANSFORMER,PULSE
85099
3455-00-865-0221INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11650
6680-01-098-9687INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
40541
5331-01-221-9651INTERCHANGEABLE
O-RING
40541
5133-01-460-2355INTERCHANGEABLE
DRILL,TWIST
40541

Frequently Asked Questions

What is NSN 5977-01-566-1093?

NSN 5977-01-566-1093 is a Ring,electrical Contact, manufactured by Raytheon Company Div Corp, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-01-566-1093?

NSN 5977-01-566-1093 has 2 cross-referenced part numbers: 40541 (Kollmorgen Corp), 40541 (Raytheon Company Div Corp).

What NSN replaces 5977-01-566-1093?

There are 7 known substitutes for 5977-01-566-1093: 5950-00-387-1758, 4140-00-531-6696, 5950-00-860-0810 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40541?

Key specifications for 40541: Part Name Assigned by Controlling Agency: BRUSH RING ASSY QT-3103; Material: FIBER AND COPPER ALLOY; End Item Identification: NAVY CODE 000A0033; Inside Diameter: 3.150 INCHES NOMINAL IN. 8 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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