NSN 12446

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The length must exceed 25 percent of the outside diameter or distance across peripheral flats. (when the length, outside diameter, and/or distance across peripheral flats are designated as a tolerance, the maximum dimension will be used to determine compliance.) it must have one or more internal steps (counterbores) and/or external steps on either or both bearing surfaces. Excludes:spacer, optical element. See also washer, recessed and washer, shouldered and recessed.

mounting hole attachment method, 0.125 inches both ends bore nominal diameter, straight face type, 0.195 inches face nominal width, plain both ends bore style.

NSN 3020-00-958-1081 Datasheet

(NSN) National Stock Number

3020-00-958-1081

(FSG) Federal Supply Group

30 - Mechanical Power Transmission Equipment

(FSC) Federal Supply Classification

3020 - Gears, Pulleys, Sprockets and Transmission Chain

(NIIN) National Item Identification Number

00-958-1081

Requires Demilitarization

Yes

(INC) Item Name Code

05467

Date

Wed, May 18, 1966

Schedule B Code

8483409000

Attachment Method

mounting hole

Bore Nominal Diameter

0.125 inches both ends

Bore Style

plain both ends

Face Type

straight

Face Nominal Width

0.195 inches

Helix Angle

4.0000 degrees

Hub Nominal Diameter

0.312 inches first end

Hub Style Designator

pinned first end

Material Document And Classification

mil-s-7720,comp 303s mil spec single material response overall

Material

steel comp 303 overall

Pitch Diameter

0.3330 inches nominal

Mounting Hole Nominal Diameter

0.052 inches transversely through hub first end

Mounting Hole Type And Quantity

2 plain transversely through hub first end

Nominal Distance Between Body Face And Protruding Hub End

0.215 inches first end

Nominal Outside Diameter

0.360 inches

Nominal Overall Length

0.410 inches

Pressure Angle

20.0000 degrees

Style Designator

protruding hub

Surface Treatment

passivate overall

Thread Form Direction

right-hand

Thread Form Quantity

2

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.

Pseudo Item Name Code

0005467

Cross Reference

CAGE Codes

00328

Designatronics Incorporated Div Sterling Instruments Div

U.s./canadian manufacturers

058R3

Ge Aviation Systems Llc Dba Ge Aviation

U.s./canadian manufacturers

19623

Ge Aviation Systems Llc Dba Ge Aviation Systems Llc

U.s./canadian manufacturers

35012

Ge Aviation Systems Llc

U.s./canadian manufacturers

01351

Southern Gear & Machine Inc

U.s./canadian manufacturers

10741

Carlisle & Finch Co

U.s./canadian manufacturers

11837

Electro Scientific Industries Inc

U.s./canadian manufacturers

19422

Demarkus Corp Refrigeration Engineering Corp

U.s./canadian manufacturers

25567

The Gorman-Rupp Company Div Gorman-Rupp

U.s./canadian manufacturers

31361

Woodward, Inc.

U.s./canadian manufacturers

71785

Cinch Connectivity Solutions Inc.

U.s./canadian manufacturers

00141

Roller Bearing Co of America, Inc Div Pic Design

U.s./canadian manufacturers

89954

Bae Systems Controls 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

64910

Water Commodity

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

National Motor Freight Classification Item Number

062070

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 3020-00-958-1081?

   The FSCG of the NSN 3020-00-958-1081 is 3020

2. Does the NSN 3020-00-958-1081 have a Schedule B code assigned?

   Yes, the Schedule B code is 8483409000

3. Does NSN 3020-00-958-1081 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 3020-00-958-1081 contain precious materials?

   Precious metal content is unknown

5. Does NSN 3020-00-958-1081 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 3020-00-958-1081 was assigned to the Federal Catalog?

   It was assigned 60 years ago, on Wed, May 18, 1966