Model: 1240004454621

Shouldered Shaft

Special Features:

First shoulder of second end is externally threaded 20unc-2a; second shoulder of second end has 36 straight serrations with pitch diameter 0.36117 in: major diameter 0.374 in: minor diameter 0.350 in

Properties:

First End Style
Internal threaded
End Similarity
Not identical
Second End Style
Two circular grooves
Second End Groove Width
0.0625 inches
Second End Groove Diameter
0.3400 inches
Overall Length
2.531 inches
First End Diameter
1.0000 inches
First End Internal Thread Length
1.188 inches
Second End Distance From End To Groove
0.218 inches
Second End Diameter
0.3750 inches
Second End Distance Between First And Second Groove Centers
0.594 inches
Step Quantity
9
Largest Step Diameter
1.000 inches
Material
Steel comp 303 or steel comp 303se
Material Specification
Astm-a582 national specification all material responses
NSN
3040-00-445-4621
Part Number
1240004454621
Description
Shaft,shouldered
CAGE
SCY13

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.

Part 1240004454621 NSN 3040-00-445-4621

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22914
FIIG:
A23200
Concept No.:
1
App. Key:
A
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:
126900
UFC:
65750
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483105000
  • SITC: 74810
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Transmission shafts and cranks, except camshafts and crankshafts

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