Gear Cluster
A51M20033
(NSN) National Stock Number
3020-00-004-2785
Federal Supply Classification
3020 Gears, Pulleys, Sprockets and Transmission Chain
Item Name Code
36636
Schedule B Code
8483409000
Summary
Plain both ends bore style, bevel second gear design type, spur first gear design type, grade d all gears backlash designation, assembled construction, 38.0 rockwell c minimum overall and 45.0 rockwell c maximum overall hardness rating
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| A | - | - | D |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 9 | - | - | AX |
Identification
A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). Excludes:gear subassembly, speed decreaser.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 36636 | A270A0 | - | 1 |
Specifications
Bore Style
plain both ends
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the bore.Design Type
bevel second gear
Details
Indicates the design type of the item.Design Type
spur first gear
Details
Indicates the design type of the item.Backlash Designation
grade d all gears
Details
A designation indicating the backlash quality of an item.Construction
assembled
Details
The structural characteristic of the item.Hardness Rating
38.0 rockwell c minimum overall and 45.0 rockwell c maximum overall
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Nominal Outside Diameter
1.279 inches second gear
Details
The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.Nominal Outside Diameter
3.300 inches first gear
Details
The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.Hub Nominal Length
0.143 inches between first and second gear
Details
A nominal measurement of the longest dimension of the hub,in distinction from width.Bore Nominal Diameter
0.6879 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
plain between first and second gear
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the hub.Hub Style Designator
plain first end
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the hub.Hub Nominal Diameter
0.940 inches between first and second gear
Details
The nominal length of a straight line which passes through the center of a hub,and terminates at the circumference.Hub Nominal Diameter
0.9379 inches first end
Details
The nominal length of a straight line which passes through the center of a hub,and terminates at the circumference.Precision Classification
quality number 14 all gears
Details
The quality designation of an item as determined by industry,association,or manufacturer standards.Material
steel comp 630 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Surface Treatment
passivate overall
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
mil-s-5002 mil spec single treatment response overall
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.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| A51M20033-1 | 79RG9 | E | - | C | 1 | - | ZZ |
| A51M20033-1 | 61174 | E | - | 3 | 9 | - | AX |
| A51M20033-1 | 26512 | E | - | 5 | 9 | - | AX |
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 |
|---|---|---|---|
| 00000 | - | W | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 593 | Z | 9 |
Provided with every order
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Manufacturer
NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MISSION SYSTEMS
CAGE: 26512
BETHPAGE
, NY
, 11714-1035
UNITED STATES
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FAQs
Frequently asked questions for NSN 3020-00-004-2785
What is the NIIN of the NSN 3020-00-004-2785?
The National Item Identification Number (NIIN) of the NSN 3020-00-004-2785 is 00-004-2785
When the NSN 3020-00-004-2785 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Wed, Jun 7, 1972
Does the NSN 3020-00-004-2785 contain any precious metals?
Type/content is unknown
Does the NSN 3020-00-004-2785 contain any hazardous material?
No data in HMIRS
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