Model: 13540-424

Worm Shaft

Properties:

End Similarity
Not identical
Thread Length
0.531 inches either end, tenth portion
Thread Length
0.531 inches either end, third portion
Overall Length
24.938 inches
Keyway Width
0.188 inches either end, tenth portion
Keyway Width
0.188 inches either end, third portion
Screw Thread Series Designator
Uns either end, third portion
Screw Thread Series Designator
Uns either end, tenth portion
Shaft Thread Direction
Right-hand either end, tenth portion
Shaft Thread Direction
Right-hand either end, third portion
Worm Thread Quantity
6
Worm Thread Lead
0.458 inches
Worm Thread Direction
Right-hand
Worm Pressure Angle In Deg
29.000
Worm Helix Angle
6 degrees 15 min
Worm Outside Diameter
1.7712 inches
Worm Pitch Diameter
1.4528 inches
Worm Thread Section Length
2.750 inches
Worm Body Length
2.750 inches
Worm Body Tapered Bearing Surface End
Not provided
Shaft Location
Both ends of worm
Straight Unthreaded Length
0.594 inches either end, fourth portion
Straight Unthreaded Length
0.594 inches either end, ninth portion
Straight Unthreaded Length
1.344 inches either end, twelfth portion
Straight Unthreaded Length
1.625 inches either end, first portion
Straight Unthreaded Length
5.625 inches either end, second portion
Straight Unthreaded Section Diameter
0.9995 inches either end, first portion
Straight Unthreaded Section Diameter
1.0318 inches either end, twelfth portion
Straight Unthreaded Section Diameter
1.1814 inches either end, fourth portion
Straight Unthreaded Section Diameter
1.1814 inches either end, ninth portion
Unthreaded Section Keyway Width
0.1880 inches either end, ninth portion
Unthreaded Section Keyway Width
0.1880 inches either end, fourth portion
Unthreaded Section Keyway Width
0.2500 inches either end, first portion
Unthreaded Section Keyway Width
0.2500 inches either end, twelfth portion
Unthreaded Section Keyway Depth
0.094 inches either end, fourth portion
Unthreaded Section Keyway Depth
0.094 inches either end, ninth portion
Unthreaded Section Keyway Depth
0.250 inches either end, first portion
Unthreaded Section Keyway Depth
0.250 inches either end, twelfth portion
Material
Steel, mil-s-890, class an
Material
Steel, mil-s-890, class an
NSN
3040-00-517-4646
Part Number
13540-424
Description
Worm Shaft
CAGE
29899

A drive shaft having helical thread(s) on a portion of its outer surface, machined bearing surface(s) and facilities for driving (other than a hub) on one or both ends of shaft. Designed to mate with a cam, gear sector, worm wheel, etc. Includes items with bearings. Excludes items having more than one worm complement of helical threads, items with a separate complement of gear teeth, and gear, worm.

Part 13540-424 NSN 3040-00-517-4646

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18249
FIIG:
T246-C
Concept No.:
App. Key:
CA
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:
--
Paclk Weight:
7.5000lbs
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:
019940
UFC:
08170
LTL:
85.0
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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