PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

704891-01Brush,electrical Contact

Kearfott Corporation Div Guidance and Navigation Division · NSN 5977-00-386-0906 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-386-0906 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-386-0906. Primary manufacturer part number: 704891-01.
Features
  • Brush,electrical Contact — FSC 5977
  • Style Designator: ONE PIECE
  • Terminal Slot Width: 0.219 INCHES NOMINAL IN
  • Terminal Type and Quantity: 1 STRAIGHT W/SLOT
  • Brush Shunt Length: 3.500 INCHES NOMINAL SINGLE SHUNT IN
  • Shunt Insulation Provision and Quantity: 1 UNINSULATED
  • Shunt Position Designator: 2
  • Thickness: 0.500 INCHES NOMINAL IN
Applications
  • Applications requiring Electrographitic construction
General Description

The Brush,electrical Contact, cataloged under National Stock Number 5977-00-386-0906, 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 Kearfott Corporation Div Guidance and Navigation Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-386-0906
Primary Part Number704891-01
Item NameBrush,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerKearfott Corporation Div Guidance and Navigation Division
StatusACTIVE
Style DesignatorONE PIECE
Terminal Slot Width0.219 INCHES NOMINAL IN
Terminal Type and Quantity1 STRAIGHT W/SLOT
Brush Shunt Length3.500 INCHES NOMINAL SINGLE SHUNT IN
Shunt Insulation Provision and Quantity1 UNINSULATED
Shunt Position Designator2
Thickness0.500 INCHES NOMINAL IN
MaterialELECTROGRAPHITIC
Length1.750 INCHES NOMINAL IN
Peripheral Speed8000 FEET PER MINUTE FT
Width1.000 INCHES NOMINAL IN
Top StyleCONVEX
Material Document and ClassificationMORGANITE INC,GR EG14 MFR REF SINGLE MATERIAL RESPONSE
Body StyleRECTANGULAR COMMUTATOR
Contact Face StyleFLAT
Convex Radius0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5935-00-889-870301128 INTERCHANGEABLE
Connector,plug,electrical
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
6640-01-046-72380-1128 INTERCHANGEABLE
Centrifuge,laboratory
Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
5340-01-105-864601128 INTERCHANGEABLE
Ring,threaded
De La Rue Giori S.a.
5315-01-171-0761A-80003 INTERCHANGEABLE
Pin,straight,headless
Stone Construction Equipment, Inc.
5331-01-506-47480-1-1-28 INTERCHANGEABLE
O-Ring
Bird-Johnson Propeller Company, Llc
5110-01-625-116601-128 INTERCHANGEABLE
Cutter,glass
The Fletcher-Terry Company, Llc
6910-01-642-335701128 INTERCHANGEABLE
Skinfold Caliper II
Lafayette Instrument Company, Llc
9150-01-651-944201128 INTERCHANGEABLE
Lubricant,solid Film
Itw Lps Laboratories Dba Pt Technologies a Div of Lps Laboratories
4720-01-667-130001128 INTERCHANGEABLE
Hose,nonmetallic
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
704891 Singer Co the Industrial Sewing and Knitting Div (USA)
704891 Kearfott Corporation Div Guidance and Navigation Division (USA)
01128 Kearfott Corporation Div Guidance and Navigation Division (USA)
704891-01 PRIMARY Kearfott Corporation Div Guidance and Navigation Division (USA)
NEMAPUBCB1-1961 National Electrical Mfrs Assn (USA)
Related Parts
5935-00-889-8703INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
01128
6640-01-046-7238INTERCHANGEABLE
CENTRIFUGE,LABORATORY
0-1128
5340-01-105-8646INTERCHANGEABLE
RING,THREADED
01128
5315-01-171-0761INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A-80003
5331-01-506-4748INTERCHANGEABLE
O-RING
0-1-1-28
5110-01-625-1166INTERCHANGEABLE
CUTTER,GLASS
01-128
6910-01-642-3357INTERCHANGEABLE
SKINFOLD CALIPER II
01128
9150-01-651-9442INTERCHANGEABLE
LUBRICANT,SOLID FILM
01128
4720-01-667-1300INTERCHANGEABLE
HOSE,NONMETALLIC
01128

Frequently Asked Questions

What is NSN 5977-00-386-0906?

NSN 5977-00-386-0906 is a Brush,electrical Contact, manufactured by Kearfott Corporation Div Guidance and Navigation Division, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-386-0906?

NSN 5977-00-386-0906 has 5 cross-referenced part numbers: 704891 (Singer Co the Industrial Sewing and Knitting Div), 704891 (Kearfott Corporation Div Guidance and Navigation Division), 01128 (Kearfott Corporation Div Guidance and Navigation Division), 704891-01 (Kearfott Corporation Div Guidance and Navigation Division), NEMAPUBCB1-1961 (National Electrical Mfrs Assn).

What NSN replaces 5977-00-386-0906?

There are 9 known substitutes for 5977-00-386-0906: 5935-00-889-8703, 6640-01-046-7238, 5340-01-105-8646 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 704891-01?

Key specifications for 704891-01: Style Designator: ONE PIECE; Terminal Slot Width: 0.219 INCHES NOMINAL IN; Terminal Type and Quantity: 1 STRAIGHT W/SLOT; Brush Shunt Length: 3.500 INCHES NOMINAL SINGLE SHUNT IN. 16 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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