NSN 77923

1.751 inches first end bore nominal diameter, 3.500 inches axially through body first end bolt hole circle nominal diameter, w/ keyway both ends bore style, mounting hole attachment method, plain, solid body style.

NSN 3020-00-347-9380 Datasheet

(NSN) National Stock Number

3020-00-347-9380

(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

00-347-9380

Requires Demilitarization

Yes

(INC) Item Name Code

05464

Date

Thu, Jan 24, 1974

Schedule B Code

8483409000

Attachment Method

mounting hole

Body Style

plain, solid

Bolt Hole Circle Nominal Diameter

3.500 inches axially through body first end

Bore Nominal Diameter

1.751 inches first end

Bore Style

w/ keyway both ends

End Nominal Diameter

2.372 inches first end

End Nominal Length

0.750 inches first end

Face Nominal Width

1.000 inches

First Step Nominal Diameter

2.363 inches first end

First Step Nominal Length

0.923 inches first end

Hardness Rating

32.0 rockwell c nominal overall

Helix Angle

10.1500 degrees

Hub Style Designator

2 steps first end

Keyway Nominal Width

0.376 inches first end

Pitch Diameter

4.9520 inches nominal

Material

steel comp 4140 overall

Mounting Hole Nominal Thread Size

0.250 inches axially through body first end

Mounting Hole Thread Series Designator

unified national coarse (unc) axially through body first end

Mounting Hole Type And Quantity

2 threaded axially through body first end

Nominal Distance From Bore Center To Keyway Bottom

1.048 inches first end

Nominal Distance Between Body Face And Protruding Hub End

2.313 inches first end

Nominal Outside Diameter

5.1995 inches

Pressure Angle

20.0000 degrees

Second Step Nominal Diameter

2.750 inches first end

Second Step Nominal Length

0.640 inches first end

Special Features

one mtg hole on tops keyway,one mtg hole 180 dep apart

Style Designator

protruding hub

Teeth Quantity

39

Teeth Type

single helix

Tooth Form

standard

Tooth Direction

left

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

0005464

Cross Reference

CAGE Codes

82402

Triumph Gear Systems Inc Dba Triumph Gear Systems Inc

U.s./canadian manufacturers

86768

Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit

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 3020-00-347-9380?

   The FSCG of the NSN 3020-00-347-9380 is 3020

2. Does the NSN 3020-00-347-9380 have a Schedule B code assigned?

   Yes, the Schedule B code is 8483409000

3. Does NSN 3020-00-347-9380 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 3020-00-347-9380 contain precious materials?

   Precious metal content is unknown

5. Does NSN 3020-00-347-9380 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 3020-00-347-9380 was assigned to the Federal Catalog?

   It was assigned 52 years ago, on Thu, Jan 24, 1974