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2587644 Spur Gear

3020-00-185-6852

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Official Item Classification

Name
Spur Gear
Part Number
2587644
(NSN) National Stock Number
3020-00-185-6852
(FSG) Federal Supply Group
30 Mechanical Power Transmission Equipment
(INC) Item Name Code
05466
(FIIG) Federal Item Identification Guide
A27300
Date
02/16/1971 (55 years ago)

11.4000 inches nominal pitch diameter, w/counterbore both ends bore style, webbed, offset, solid body style, mounting hole attachment method, 57 teeth quantity

Specs & Compatibility

Body Style

webbed, offset, solid

Attachment Method

mounting hole

Pitch Diameter

11.4000 inches nominal

Teeth Quantity

57

Bore Style

w/counterbore both ends

Mounting Hole Thread Series Designator

unf axially through body, first end

Hardness Rating

58.0 rockwell c minimum and 62.0 rockwell c maximum teeth

Mounting Hole Nominal Thread Size

0.500 inches axially through body, first end

Mounting Hole Type And Quantity

4 plain and 12 threaded axially through body, first end

Nominal Outside Diameter

11.765 inches

Tooth Form

standard

Pressure Angle

25.0000 degrees

Nominal Distance Between Body Face And Protruding Hub End

0.310 inches second end

Nominal Distance Between Body Face And Protruding Hub End

0.685 inches first end

Face Nominal Width

1.500 inches

Bore Nominal Diameter

4.134 inches both ends

Counterbore Nominal Depth

0.750 inches first end

Counterbore Nominal Depth

1.183 inches second end

Counterbore Nominal Diameter

4.329 inches first end

Counterbore Nominal Diameter

4.440 inches second end

Hub Style Designator

plain both ends

Hub Nominal Diameter

10.000 inches second end

Hub Nominal Diameter

4.560 inches first end

Mounting Hole Nominal Diameter

0.870 inches axially through body, first end

Material

steel comp 3130h or steel comp 4320h or steel comp 4621h overall

Material Document And Classification

mil-s-13048 mil spec single material response overall

Style Designator

protruding hubs

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

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

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.

Pseudo Item Name Code

0005466

Related Hardware Products

Part Number Description
2587644 Spur Gear

Frequently Asked Questions

What is the FSCG of the NSN 3020-00-185-6852?
The FSCG of the NSN 3020-00-185-6852 is 3020
Does the NSN 3020-00-185-6852 have a Schedule B code assigned?
Yes, the Schedule B code is 8483409000
Does NSN 3020-00-185-6852 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.
Does NSN 3020-00-185-6852 contain precious materials?
Item does not contain precious metal.
Does NSN 3020-00-185-6852 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.
When the NSN 3020-00-185-6852 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Tue, Feb 16, 1971