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NSN 78509

Worm Wheel Gear

An item consisting of a casing with fittings and attachments on each end and a spirally wound wire core with formed end(s) and/or crimped on end fittings. It is designed to transmit rotary motion around bends from a motor or other power source to drive various types of equipment, such as tachometers, speedometers, remote controls, instruments, and the like, which are located at an angle and/or distance from the power source. See also control assembly, push-pull.

mounting hole attachment method, 0.875 inches axially through body first end bolt hole circle nominal diameter, webbed, offset, solid body style, 0.250 inches first end body recess nominal depth, 0.500 inches both ends bore nominal diameter.

NSN 3020-00-448-3973 Datasheet

(NSN) National Stock Number
3020-00-448-3973
(NIIN) National Item Identification Number
00-448-3973
Requires Demilitarization
Yes
(INC) Item Name Code
05468
Date
Tue, Jan 1, 1963
Schedule B Code
8483409000
Attachment Method
mounting hole
Body Recess Nominal Depth
0.250 inches first end
Body Style
webbed, offset, solid
Bolt Hole Circle Nominal Diameter
0.875 inches axially through body first end
Bore Nominal Diameter
0.500 inches both ends
Bore Style
plain both ends
Face Type
concave
Face Nominal Width
0.500 inches
Helix Angle
21.8000 degrees
Material
plastic phenol formaldehyde (pmo) overall
Pitch Diameter
1.6820 inches nominal
Mating Thread Lead Quantity
4
Mounting Hole Nominal Diameter
0.348 inches axially through body first end
Mounting Hole Type And Quantity
3 counterbored axially through body first end
Nominal Outside Diameter
1.875 inches
Pressure Angle
14.5000 degrees
Style Designator
hubless, recessed body
Teeth Quantity
30
Throat Nominal Radius
0.625 inches
Tooth Direction
right

Identification

Demilitarization Code
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Precious Metals Indicator
U - Precious metal content is unknown
Hazardous Metals Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Source of Supply Code
S9C - Defense supply center columbus, ohio 43215
Pseudo Item Name Code
0005468

Cross Reference

CAGE Codes

57712
Telemechanics Inc
U.s./canadian manufacturers

Freight Information

Air Commodity
VZ -
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
National Motor Freight Class Rating
W - Rating variable
Special Handling
9 - Other or no special handling required (sh)
Type of Cargo
Z - No special type of cargo code applicable
Uniform Freight Classification Item Number
00000
Water Commodity
593 - Motors and parts, (machinery and parts),(less than 35 feet)
National Motor Freight Classification Item Number
197230

Schedule B & Trade

Schedule B
8483-40-9000
Description
gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
End Use
21180 - Industrial machines, other
Unit of Quantity
NO
USDA
Yes
(SITC) Standard International Trade Classification
74840
(NAICS) North American Industrial Classification System
333612

Questions & Answers

  1. What is the FSCG of the NSN 3020-00-448-3973?

    The FSCG of the NSN 3020-00-448-3973 is 3020

  2. Does the NSN 3020-00-448-3973 have a Schedule B code assigned?

    Yes, the Schedule B code is 8483409000

  3. Does NSN 3020-00-448-3973 require demilitarization?

    Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

  4. Does NSN 3020-00-448-3973 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 3020-00-448-3973 contain hazardous materials?

    Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

  6. When the NSN 3020-00-448-3973 was assigned to the Federal Catalog?

    It was assigned 63 years ago, on Tue, Jan 1, 1963

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