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Electrical Contact Brush

NSN: 5977-00-678-3808 | Model: MH14956

An item specifically designed to be used in the transfer of electrical energy to or from another conducting surface. Either the brush or the surface is continually moving during the transfer of energy. The brush is usually composed in part of some form of the element carbon. Includes: (1) a single brush either with or without an attached shunt (flexible wire lead) and/or a helical or flat type pressure spring; (2) a split brush composed of two or more pieces (wafers), which are used in place of one brush usually connected together by individual shunts to a common terminal; (3) paired brushes composed of two identical or non-identical brushes connected together by a common shunt either with or without pressure springs or connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like either with or without individual shunts; (4) multiple brushes composed of more than two identical or non-identical brushes without pressure springs connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like by individual shunts. Does not include moving contacts which make and slide past stationary contacts, but are stationary while the circuit is conducting, such as the sliding contacts on a rheostat or the stationary contact on a synchro. Excludes: contact, electrical; and contact assembly, electrical.

NSN Properties and Flags
NATO Stock Number
5977-00-678-3808
DEMIL
NO
Shunt Position Designator
5
Body Style
Rectangular commutator
Width
Between 0.371 inches and 0.375 inches
Thickness
Between 0.246 inches and 0.250 inches
Length
0.625 inches
Terminal Diameter
Between 0.390 inches and 0.398 inches
Spring Free Length
3.875 inches
Largest Outside Diameter
0.312 inches
Brush Shunt Length
1.500 inches single shunt
Contact Face Style
Flat
Shunt Insulation Provision And Quantity
1 uninsulated
Pressure Spring Type And Quantity
1 cylindrical
Material
Electrographitic
Material Specification
Speer carbon, div of air reduction co inc grade e24 mfr ref single material response
Style Designator
One piece
Terminal Type And Quantity
1 round cap w/ears

Pricing and Availability

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NSN 5977-00-678-3808 Datasheet

Supply Class (FSC):
Electrical Contact Brushes And Electrodes
Cross Reference:
  • MH14956
  • MHB15554A
Cage Codes:
  • Mancraft Industries Inc (CAGE 54764)
Schedule B & Trade:
  • Schedule B: 8545200000 (NAICS 335991)

    Carbon or graphite brushes of a kind used for electrical purposes

  • SITC: 77886

    Carbon electrodes, carbon brushes, lamp carbons, battery carbons and other carbon articles, with or without metal, used for electric purposes

  • End Use: 20005

    Electric apparatus

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    040580 - Carbon brushes generator/motor

  • WCC:

    72D - Communications/electronics, other than sigint/ew or comsec repair parts and components

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LTL:

    M - 85.0

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Q2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $26.04 to $43.40..
Does NSN 5977-00-678-3808 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Austria, Greece, and Turkey
What is the NIIN of NSN 5977-00-678-3808?
006783808 or 00-678-3808
Does NSN 5977-00-678-3808 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5977-00-678-3808?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963