Model: 43721-681

Rigid Shaft Coupling

Special Features:

P/n 43921-681 no grease fitting; p/n 43721-681 w/grease fitting, are used on motor serial nos.832447a-2 and 308618-02069sn15.

Properties:

Spline Major Diameter
1.325 inches first end
Overall Length
2.625 inches
Spline Quantity
26 first end
Bore Diameter
0.625 inches first end
End Application
Weapons system support equipment f-4 aircraft
Bore Shape
Splined first end
Bore Shape
Straight second end
Spline Type
Involute first end
Securing Method
Threaded hole
Threaded Hole Quantity
3
Features Provided
Keyway
Style Designator
Plain sleeve
NSN
3010-01-417-2187
Part Number
43721-681
Description
Coupling,shaft,rigid
CAGE
89762

A device for connecting the ends of two shafts to produce in effect, one piece of rigid shafting so that the rotary motion of one shaft is transmitted to the other shaft. Couplings of the sleeve type must have an over-all length exceeding the outside diameter, or must have an internal spline.

Part 43721-681 NSN 3010-01-417-2187

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13742
FIIG:
A522C0
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
190500
UFC:
93590
LTL:
RATING VARIABLE
LCL:
--
WCC:
586
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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