Model: 290721PC4

Shaft Coupling Half
Description:

Multiple positioning holes body style, 3.250 inches overall length, 3.2500 inches bore length, straight bore shape, xthd in bore, major dia. 1.875" plus .000/minus .002, pitch dia. 1.780" plus .000/minus .001, minor dia. 1.696" plus .X; unthreaded bore dia.: 0.766" nom.; positioning facility bolt circle dia.: 4.745" min., 4.755" max.; positioning facility qty: 8; position hole style: plain; bore counterbore feature: not included; keying facility: not included; o/a outside dimension: 6.250" porm .005"; hub od: 3.250" nom.; thread provision: threaded; thread size designator: 1-7/8--7; flange thickness: 1" nom. .

Special Features:

Xthd in bore, major dia. 1.875" plus .000/minus .002, pitch dia. 1.780" plus .000/minus .001, minor dia. 1.696" plus .X; unthreaded bore dia.: 0.766" nom.; positioning facility bolt circle dia.: 4.745" min., 4.755" max.; positioning facility qty: 8; position hole style: plain; bore counterbore feature: not included; keying facility: not included; o/a outside dimension: 6.250" porm .005"; hub od: 3.250" nom.; thread provision: threaded; thread size designator: 1-7/8--7; flange thickness: 1" nom.

Properties:

Body Style
Multiple positioning holes
Overall Length
3.250 inches
Bore Length
3.2500 inches
Bore Shape
Straight
Material
Copper alloy
Material Specification
Mil-b-16443, cl 1 military specification single material response
NSN
3010-00-130-2181
Part Number
290721PC4
Description
Coupling Half,shaft
CAGE
10001

A mechanical item used to connect a shaft and the mating member of a flexible or rigid coupling.

Part 290721PC4 NSN 3010-00-130-2181

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08009
FIIG:
A521X0
Concept No.:
App. Key:
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
126880
UFC:
64300
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8483608000
  • SITC: 74860
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Shaft couplings, except universal joints

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