Model: N2256

Shouldered Shaft

Special Features:

1st 1st end has two drilled holes 0.204 by .75 and tapped 1/4-20unc-2b, 2nd end rectangular , rounded corners flats on each side and bored internally.

Properties:

First End Style
Internal threaded
End Similarity
Not identical
Second End Style
Tongue rounded ends
Overall Length
20.180 inches
End Application
Seawolf class (ssn)
First End Diameter
Between 1.6190 inches and 1.6200 inches
First End Internal Thread Length
0.3800 inches
Second End Tongue Thickness
1.0000 inches
Second End Tongue Width
1.3800 inches
Second End Diameter
1.3800 inches
Step Quantity
6
Largest Step Diameter
Between 2.2430 inches and 2.2450 inches
Surface Finish
16.0 microinches
Second End Step Length
1.5000 inches
Material
Steel comp 17-4ph
Material Specification
Ast-564 assn standard single material response
NSN
3040-01-420-1122
Part Number
N2256
Description
Shaft,shouldered
CAGE
09176

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 N2256 NSN 3040-01-420-1122

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:
23.0 X 0.0 X 0.0
Paclk Weight:
20.0000lbs
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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