Model: 7371921

Rigid Shaft Coupling

Special Features:

Pitch diameter: 0.4375 in. ; optional design, 0.5312 in. Inside dia, 1.375 in. Lg, w/o splines, located 0.438 in. From ends of body

Properties:

Spline Minor Diameter
0.4140 inches both ends and 0.4170 inches both ends
Spline Major Diameter
0.4890 inches both ends
Overall Length
2.250 inches
Spline Quantity
14 both ends
Overall Diameter
0.688 inches
Bore Shape
Splined both ends
Spline Pressure Angle In Deg
30.000 both ends
Spline Length
2.250 inches both ends
Spline Type
Involute both ends
Body Material
Steel
Style Designator
Plain sleeve
NSN
3010-00-737-1921
Part Number
7371921
Description
Coupling,shaft,rigid
CAGE
19207

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 7371921 NSN 3010-00-737-1921

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
126880
UFC:
64300
LTL:
RATING VARIABLE
LCL:
RATING VARIABLE
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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