NSN 2185

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

27.0 rockwell c minimum and 33.0 rockwell c maximum overall hardness rating, 0.188 inches face nominal width, 0.375 inches second end counterbore nominal diameter, plain, solid body style, square both ends bore style.

NSN 3020-00-669-8838 Datasheet

(NSN) National Stock Number

3020-00-669-8838

(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

00-669-8838

Requires Demilitarization

Yes

(INC) Item Name Code

05466

Date

Tue, Jan 1, 1963

Schedule B Code

8483409000

Body Style

plain, solid

Bore Style

square both ends

Counterbore Nominal Diameter

0.375 inches second end

Face Nominal Width

0.188 inches

Hardness Rating

27.0 rockwell c minimum and 33.0 rockwell c maximum overall

Hub Nominal Diameter

0.500 inches first end

Hub Style Designator

plain first end

Material Document And Classification

mil-s-6758 mil spec single material response overall

Pitch Diameter

2.0000 inches nominal

Material

steel comp 4130 overall

Nominal Distance Between Body Face And Protruding Hub End

0.843 inches first end

Nominal Outside Diameter

2.060 inches

Pressure Angle

14.5000 degrees

Special Features

counterbore located on second end w/ 0.375 in. diam,0.5625 in. depth

Style Designator

protruding hub

Teeth Quantity

64

Tooth Form

standard

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.

Source of Supply Code

S9C - Defense supply center columbus, ohio 43215

Pseudo Item Name Code

0005466

Cross Reference

CAGE Codes

00539

Del Mar Avionics, Llc Dba Del Mar Reynolds

Non-manufacturers

0EJ14

Dp Manufacturing Inc.

U.s./canadian manufacturers

12517

Component Research Co Inc

U.s./canadian manufacturers

14031

Digitech Industries Inc

U.s./canadian manufacturers

14889

George Fischer Sloane, Inc.

Non-manufacturers

28047

Hein Werner Corp

U.s./canadian manufacturers

31433

Kemet Electronics Corporation

U.s./canadian manufacturers

33456

Dover Corp Elevator Div

U.s./canadian manufacturers

3BHG4

Masimo Corporation

U.s./canadian manufacturers

3PUJ1

Csic Corporation

U.s./canadian manufacturers

46522

Dcm Manufacturing, Inc.

U.s./canadian manufacturers

4UV57

Monoprice Inc.

Non-manufacturers

54641

Lear Siegler Inc Sherwood Div

U.s./canadian manufacturers

59579

Aerospace Lighting Corporation

Non-manufacturers

65177

Patterson Pump Co Div Patterson Pump Company

U.s./canadian manufacturers

6K0L3

Pololu Corp Dba Pololu Corp

U.s./canadian manufacturers

71436

Chicago Condenser Corporation Dba Chicago Condenser

U.s./canadian manufacturers

77260

Pierce Co Inc the Sub of Avis Industrial Corp

U.s./canadian manufacturers

79497

Western Rubber Co

U.s./canadian manufacturers

83330

Dialight Corporation

U.s./canadian manufacturers

83339

Basf Corporation Dba Basf

U.s./canadian manufacturers

83564

Nellcor Puritan Benn System Co

U.s./canadian manufacturers

91967

Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron

U.s./canadian manufacturers

94033

Cardwell Condenser Corp Lapointe-Admiral Div

U.s./canadian manufacturers

97954

U S Components Inc

U.s./canadian manufacturers

99872

Entron Industries Limited Partnership Dba Entron Industries Property Div

U.s./canadian manufacturers

Freight Information

Air Commodity

BZ -

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

00000

Water Commodity

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

National Motor Freight Classification Item Number

197230

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 3020-00-669-8838?

   The FSCG of the NSN 3020-00-669-8838 is 3020

2. Does the NSN 3020-00-669-8838 have a Schedule B code assigned?

   Yes, the Schedule B code is 8483409000

3. Does NSN 3020-00-669-8838 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 3020-00-669-8838 contain precious materials?

   Precious metal content is unknown

5. Does NSN 3020-00-669-8838 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 3020-00-669-8838 was assigned to the Federal Catalog?

   It was assigned 63 years ago, on Tue, Jan 1, 1963