Model: 7994

Worm Shaft

Properties:

Overall Length
9.500 inches
Worm Thread Quantity
1
Worm Thread Lead
1.750 inches
Worm Thread Direction
Right-hand
Worm Pressure Angle In Deg
45.000
Worm Helix Angle
15 deg
Worm Outside Diameter
2.312 inches
Worm Thread Section Length
5.000 inches
Worm Body Length
9.500 inches
Worm Body Tapered Bearing Surface End
Provided
Tapered Bearing Surface Largest Diameter
0.750 inches
Tapered Bearing Surface Smallest Diameter
0.593 inches
Tapered Bearing Surface Length
2.375 inches
Shaft Location
One end of worm
Straight Unthreaded Length
1.125 inches first end
Straight Unthreaded Section Diameter
0.625 inches first end
Material
Steel
Material
Steel
Surface Treatment
Any acceptable
NSN
3040-00-389-5112
Part Number
7994
Description
Worm Shaft
CAGE
28873

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 7994 NSN 3040-00-389-5112

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
019940
UFC:
08170
LTL:
85.0
LCL:
--
WCC:
581
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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