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Flexible Shaft Coupling

Model / MPN: MODEL #300 | NSN: 3010-01-234-3614
ITAR Registered seal

A device for connecting the ends of two shafts so that rotary motion of one shaft is transmitted to the other shaft. It is constructed to allow for slight misalignment of shafts both linear and angular.

Product Details
NATO Stock Number
Sold in multiples of
1 EA
Overall Length
3.450 inches
Outside Diameter
3.600 inches
Keyway Width
0.250 inches second end
Keyway Width
0.375 inches first end
Keyway Depth
0.2500 inches second end
Keyway Depth
0.3750 inches first end
Thread Size Designator
5/16-18 both ends
Bore Diameter
0.8750 inches second end
Bore Diameter
1.4375 inches first end
Bore Length
1.3625 inches both ends
Bore Shape
Straight both ends
Furnished Items And Quantity
Setscrew 4
Design Type
Keying Facility Quantity
1 both ends
Keying Facility Type
Keyway both ends
Securing Method
Threaded hole both ends
Threaded Hole Quantity
2 both ends
Threaded Hole Location
Both ends 0.681 in. From end of hub 90 degrees apart with one over keyway
Features Provided
Insert Material
Rubber synthetic
Solicitation Description Qty UOM Close Date
SPE7L317T1419 Coupling, Shaft, Flex 2 EA 11/10/2016
SPE7L318T6181 Coupling, Shaft, Flex 4 EA 01/02/2018

Pricing and Availability

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MODEL #300 Cross Reference
  • 0775445
  • 06000722
  • 300-370N7-1-7/16X7/8IN.BORE
  • 211064257