Spur Antibacklash Gear
2370493G2
(NSN) National Stock Number
3020-00-041-2535
Federal Supply Classification
3020 Gears, Pulleys, Sprockets and Transmission Chain
Item Name Code
26668
Schedule B Code
8483409000
Summary
1.6657 inches minimum and 1.6667 inches maximum pitch diameter, 120 teeth quantity, plain both ends bore style, 1.693 inches nominal outside diameter, standard tooth form, 20.0000 degrees pressure angle
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 6 | - | - | C |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 1 | AC | - | ZZ |
Identification
An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 26668 | A27300 | - | 1 |
Specifications
Pitch Diameter
1.6657 inches minimum and 1.6667 inches maximum
Details
A measurement indicating the diameter-pitch per specific measurement scale of the item.Teeth Quantity
120
Details
The number of teeth included on the item.Bore Style
plain both ends
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the bore.Nominal Outside Diameter
1.693 inches
Details
The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.Tooth Form
standard
Details
An indication as to whether the teeth are a standard depth or modified to a shorter depth.Pressure Angle
20.0000 degrees
Details
The measurement of the pressure angle on the item.Nominal Distance Between Body Face And Protruding Hub End
0.221 inches first end
Details
The nominal distance between the body face and the protruding hub end.Face Nominal Width
0.104 inches
Details
A measurement taken at right angles to the length of the face,in distinction from thickness.Bore Nominal Diameter
0.250 inches both ends
Details
The nominal length of a straight line which passes through the center of a bore,and terminates at the circumference.Hub Style Designator
split first end
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the hub.Hub Nominal Diameter
0.312 inches first end
Details
The nominal length of a straight line which passes through the center of a hub,and terminates at the circumference.Clamping Surface Nominal Length
0.190 inches first end
Details
A nominal measurement of the longest dimension of a clamping surface,in distinction from width.Precision Classification
quality number 10 or quality number 11
Details
The quality designation of an item as determined by industry,association,or manufacturer standards.Material
aluminum alloy 2024 teeth
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material
steel comp 303 hub
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
qq-s-764,type 303,cond 4 fed spec single material response hub
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Surface Treatment
anodize teeth
Details
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.Surface Treatment
passivate hub
Details
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.Surface Treatment Document And Classification
171 finish no 5.4.1 mil std 2nd treatment response hub
Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.Surface Treatment Document And Classification
mil-a-8625 ty 1 mil spec 1st treatment response teeth
Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.Style Designator
protruding hub
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| S9706A-Z7F120AP1 | 00328 | E | - | 3 | 2 | - | ZZ |
| Z7F120AP1 | 00328 | E | - | 5 | 9 | - | AX |
| Z7F120APREC1 | 00328 | 6 | - | C | 1 | - | ZZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | U | - | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 64910 | - | P | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 593 | Z | 9 |
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Manufacturer
FAQs
Frequently asked questions for NSN 3020-00-041-2535
What is the NIIN of the NSN 3020-00-041-2535?
The National Item Identification Number (NIIN) of the NSN 3020-00-041-2535 is 00-041-2535
When the NSN 3020-00-041-2535 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Nov 17, 1972
Does the NSN 3020-00-041-2535 contain any precious metals?
Type/content is unknown
Does the NSN 3020-00-041-2535 contain any hazardous material?
No data in HMIRS
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