PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3564Holder,electrical Contact Brush

Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp · NSN 5977-00-938-1400 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-938-1400 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-938-1400. Primary manufacturer part number: 3564.
Features
  • Holder,electrical Contact Brush — FSC 5977
  • Inside Thickness: 0.750 INCHES NOMINAL IN
  • Inside Length: 0.938 INCHES NOMINAL IN
  • Terminal Type: SCREW
  • Mounting Facility: UNTHREADED HOLES
  • Brush Pressure Spring Type Accommodated: SPIRAL TORSION
  • Brush Quantity Accommodated Per Holder: 2
  • Style Designator: WING
Applications
  • Applications requiring Copper Alloy Box construction
General Description

The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-938-1400, 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 Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5977-00-938-1400
Primary Part Number3564
Item NameHolder,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerMersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp
StatusACTIVE
Inside Thickness0.750 INCHES NOMINAL IN
Inside Length0.938 INCHES NOMINAL IN
Terminal TypeSCREW
Mounting FacilityUNTHREADED HOLES
Brush Pressure Spring Type AccommodatedSPIRAL TORSION
Brush Quantity Accommodated Per Holder2
Style DesignatorWING
Brush Spring AdjustabilityNONADJUSTABLE
Mounting Facility Quantity1
Inside Width0.375 INCHES NOMINAL IN
Terminal Quantity2
MaterialCOPPER ALLOY BOX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4030-00-282-2512612345E INTERCHANGEABLE
Thimble,rope
U S Army Tank Automotive Command Amsta-Im-Mm
4730-00-595-27623691-54REVAPC13 INTERCHANGEABLE
Reducer,tube
Electric Boat Corporation Div General Dynamics Electric Boat
5330-00-738-2233356-4 INTERCHANGEABLE
Seal,valve Flange
Fl Industries Inc Pneumotive Div
5120-00-772-7156T-233281 INTERCHANGEABLE
Inserter,bearing and Bushing
Eaton Aerospace, Llc Dba Jackson South
5815-00-859-654703564 INTERCHANGEABLE
Clamp,belt Wedge
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5950-00-915-04233564 INTERCHANGEABLE
Transformer,power
Sartron, Inc
6510-00-926-8884 INTERCHANGEABLE
Adhesive Tape,surgical
6625-01-016-81713564-2 INTERCHANGEABLE
Probe,test
Fluke Electronics Corp
5365-01-065-890935-64 INTERCHANGEABLE
Spacer,sleeve
Cone Drive Operations Inc
5306-01-164-82773564 INTERCHANGEABLE
Bolt,machine
Champion Laboratories, Inc.
Cross-Reference Index
Part NumberManufacturer
23700005 Ward Leonard Ct Llc (USA)
3564 Flower D B Mfg Co (USA)
3564 PRIMARY Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp (USA)
3564 Carbone of America Corporation Div Superior Carbon Products Division (USA)
3564 Mersen Canada Dn Ltd (CAN)
Related Parts
4030-00-282-2512INTERCHANGEABLE
THIMBLE,ROPE
612345E
4730-00-595-2762INTERCHANGEABLE
REDUCER,TUBE
3691-54REVAPC13
5330-00-738-2233INTERCHANGEABLE
SEAL,VALVE FLANGE
356-4
5120-00-772-7156INTERCHANGEABLE
INSERTER,BEARING AND BUSHING
T-233281
5815-00-859-6547INTERCHANGEABLE
CLAMP,BELT WEDGE
03564
5950-00-915-0423INTERCHANGEABLE
TRANSFORMER,POWER
3564
6510-00-926-8884INTERCHANGEABLE
ADHESIVE TAPE,SURGICAL
6625-01-016-8171INTERCHANGEABLE
PROBE,TEST
3564-2
5365-01-065-8909INTERCHANGEABLE
SPACER,SLEEVE
35-64
5306-01-164-8277INTERCHANGEABLE
BOLT,MACHINE
3564
5985-01-203-1202INTERCHANGEABLE
ATTENUATOR,FIXED
167643
5340-01-288-0607INTERCHANGEABLE
BRACKET,ANGLE

Frequently Asked Questions

What is NSN 5977-00-938-1400?

NSN 5977-00-938-1400 is a Holder,electrical Contact Brush, manufactured by Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-938-1400?

NSN 5977-00-938-1400 has 5 cross-referenced part numbers: 23700005 (Ward Leonard Ct Llc), 3564 (Flower D B Mfg Co), 3564 (Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp), 3564 (Carbone of America Corporation Div Superior Carbon Products Division), 3564 (Mersen Canada Dn Ltd).

What NSN replaces 5977-00-938-1400?

There are 12 known substitutes for 5977-00-938-1400: 4030-00-282-2512, 4730-00-595-2762, 5330-00-738-2233 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3564?

Key specifications for 3564: Inside Thickness: 0.750 INCHES NOMINAL IN; Inside Length: 0.938 INCHES NOMINAL IN; Terminal Type: SCREW; Mounting Facility: UNTHREADED HOLES. 13 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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