Worm Wheel Gear

NSN: 3020-00-042-8158 | Model: 677008-1

A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a gear (1), worm. See also gear, antibacklash, worm wheel.

NSN Properties and Flags

NATO Stock Number

3020-00-042-8158

DEMIL

Body Style

Plain, solid

Pitch Diameter

2.2500 inches

Teeth Quantity

Face Type

Straight

Bore Style

Partial both ends

Outside Diameter

2.398 inches

Tooth Direction

Left

Mating Thread Lead Quantity

Pressure Angle

23.9508 degrees

Helix Angle

21.8012 degrees

Distance Between Body Face And Protruding Hub End

4.830 inches first end

Face Width

0.250 inches

Bore Diameter

1.033 inches both ends

Bore Depth

4.655 inches both ends

Hub Style Designator

Plain second end

Hub Diameter

1.251 inches second end

End Length

0.930 inches first end

End Diameter

1.070 inches first end

First Step Length

3.900 inches first end

First Step Diameter

1.194 inches first end

Special Features

Threaded 1st end acme type 1, pitch diameter 0.6667 in. Min, 0.6748 in. Max

Material

Aluminum alloy

Material Specification

Qq-b679, comp 2 federal specification single material response

Style Designator

Protruding hubs

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 3020-00-042-8158 Datasheet

Supply Class (FSC):

Transmission Chain Sprockets Pulleys Gears

Cross Reference:

677008-1

Cage Codes:

Heligear Acquisition Co. (CAGE 22907)

Schedule B & Trade:

Schedule B: 8483409000 (NAICS 333612)

Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
SITC: 74840

Gears and gearing; ball screws; gear boxes and other speed changers (including torque converters)
End Use: 21180

Industrial machines, other

Identification:

HMIC

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

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

197339 - Wheels cog/gear/pinion i/s
WCC:

593 - Motors and parts, (machinery and parts),(less than 35 feet)
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LTL:

R - 65.0
ACC:

V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
X
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
9b-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $8,114.65 to $13,524.42..
Does NSN 3020-00-042-8158 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy
What is the NIIN of NSN 3020-00-042-8158?
000428158 or 00-042-8158
Does NSN 3020-00-042-8158 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3020-00-042-8158?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 15, 1968