Model: 1388128-1

Rigid Shaft Coupling

Special Features:

Counterbore diameter: 0.511 in. ; counterbore depth: 0.375 in. ; pitch diameter: first end, 0.469 in. ; second end, 1.000 in.

Properties:

Spline Minor Diameter
0.4390 inches first end and 0.4440 inches first end
Spline Minor Diameter
0.9380 inches second end and 0.9430 inches second end
Spline Major Diameter
0.5000 inches first end and 0.5010 inches first end
Spline Major Diameter
1.1120 inches second end and 1.1130 inches second end
Overall Length
2.250 inches
Spline Quantity
15 first end
Spline Quantity
16 second end
Overall Diameter
1.375 inches
Bore Shape
Splined both ends
Spline Pressure Angle In Deg
30.000 both ends
Spline Length
0.4060 inches first end and 0.4100 inches first end
Spline Length
0.9680 inches second end and 0.9720 inches second end
Spline Type
Involute both ends
Features Provided
Bore counterbore
Body Material
Stainless steel
Material Specification
Ams 5643, cond a assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
Style Designator
Plain sleeve
NSN
3010-00-784-5845
Part Number
1388128-1
Description
Coupling,shaft,rigid
CAGE
98889

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 1388128-1 NSN 3010-00-784-5845

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 4.0 X 2.0
Paclk Weight:
--
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:
126880
UFC:
64300
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
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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