55994-1

Electrical Contact Brush

NSN 5977-00-177-7894

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

001777894

Product Technical Spec.

Shunt Position Designator:

Body Style:

Rectangular commutator

Radius:

0.468 inches

Width:

Between 0.308 inches and 0.312 inches

Thickness:

Between 0.183 inches and 0.187 inches

Length:

Between 0.562 inches and 0.593 inches

Terminal Diameter:

Between 0.370 inches and 0.385 inches

Largest Outside Diameter:

0.256 inches

Contact Face Style:

Concave

Shunt Insulation Provision And Quantity:

1 uninsulated

Pressure Spring Type And Quantity:

1 cylindrical

Material:

Metal graphite

Material Specification:

Morganite brush co inc grade c-5h mfr ref single material response

Style Designator:

One piece

Terminal Type And Quantity:

1 round cap w/ears

NSN:

5977-00-177-7894

Item Name:

Carbon Brush

Cage Code:

94923

Cross Referenced Parts

No other part numbers with same form, fit, and function found.

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00302

FIIG:

A01500

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

040580

UFC:

20480

LTL:

85.0

LCL:

WCC:

658

TCC:

SHC:

ACC:

Instruments/Radio

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Pricing & Availability

Submit this form for current pricing and availability quote on part number 55994-1 and/or cross reference parts.

Definition Definition of approved item name (AIN): "Carbon Brush"

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.