Model: 2018-4 ITEM 21

Shaft Collar

Special Features:

All 3 securing holes are 0.750 in. Nom. From one end. Two parallel sides flattened to 1.750 in. Unthreaded securing holes go through center of flats. Part of retractable bow planes emergency follow-up and xmtr drive assembly

Properties:

Outside Diameter
2.000 inches
Thickness
Between 1.495 inches and 1.496 inches
Bore Diameter
Between 0.6260 inches and 0.6290 inches
End Application
Los angeles class ssn (688)
Securing Hole Quantity
3
Angle Between Centerlines Of Securing Holes In Deg
180.0
Angle Between Centerlines Of Securing Holes In Deg
90.0
Screw Thread Series Designator And Location
1st hole unc
Securing Hole Type And Location
Unthreaded 2nd hole
Securing Hole Type And Location
Unthreaded 3rd hole
Securing Hole Type And Location
Threaded-countersunk 1st hole
Countersunk Hole Angle In Deg And Location
90.0 1st hole
Thread Size And Location
0.250 inches 1st hole
Countersink Major Diameter And Location
0.2812 any acceptable feet
Surface Finish And Location
63 microinches outside periphery
Part Name Assigned By Controlling Agency
Hub
Material
Nickel copper alloy
Material
Nickel alloy
Surface Treatment
Paint
Style Designator
Plain round
Surface Treatment
Painted
NSN
3040-01-486-3894
Part Number
2018-4 ITEM 21
Description
Collar,shaft
CAGE
43689

Part 2018-4 ITEM 21 NSN 3040-01-486-3894

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13743
FIIG:
A231A0
Concept No.:
App. Key:
B
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:
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:
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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