Model: 521738

Rigid Shaft Coupling

Special Features:

First and second spline data: teeth 24; pressure angle 30.0000; base diameter 1.0392 in.; counterbore diameter: through bore, 0.333 in. ; counterbore depth: through bore, 0.160 in.

Properties:

Bore Diameter
0.8820 inches second end
Bore Diameter
1.3400 inches first end
Bore Length
0.7120 inches through bore
Bore Length
0.8150 inches both ends
End Application
Tf-33 engine
Bore Shape
Straight both ends
Features Provided
Bore counterbore
Body Material
Steel
Surface Treatment
Chromium
NSN
3010-01-275-4752
Part Number
521738
Description
Coupling,shaft,rigid
CAGE
77445

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 521738 NSN 3010-01-275-4752

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:
RV
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
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:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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