Model: 12M3663-7

Worm Shaft

Properties:

End Similarity
Not identical
Overall Length
4.250 inches
Worm Thread Quantity
1
Worm Thread Lead
1.540 inches
Worm Thread Direction
Left-hand
Worm Pressure Angle In Deg
20.000
Worm Outside Diameter
0.316 inches
Worm Pitch Diameter
0.253 inches
Shaft Location
Both ends of worm
Involute Spline Quantity
1 first end, sixth portion
Involute Spline Pressure Angle In Deg
30.0 first end, sixth portion
Involute Spline Pitch Diameter
0.2813 inches first end, sixth portion
Involute Spline Length
0.375 inches first end, sixth portion
Material
Any acceptable
NSN
3040-00-932-8492
Part Number
12M3663-7
Description
Worm Shaft
CAGE
81755

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 12M3663-7 NSN 3040-00-932-8492

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:
BJ
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:
129920
UFC:
65750
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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