117D2974

View detailed technical data, stock status, and sourcing information for: 117D2974
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 117D2974 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-528-1370

Item Name Code

28377

Assigment Date

09/01/1974 (51 years ago)

30.0 rockwell c minimum and 38.0 rockwell c maximum overall hardness rating, mounting hole attachment method, 3 plain and 2 plain axially through body, first end mounting hole type and quantity, 27 teeth quantity, 5.4500 inches nominal pitch radius

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Attachment Method: mounting hole
Teeth Quantity: 27
Pitch Radius: 5.4500 inches nominal
Hardness Rating: 30.0 rockwell c minimum and 38.0 rockwell c maximum overall
Mounting Hole Type And Quantity: 3 plain and 2 plain axially through body, first end
Tooth Form: standard
Pressure Angle: 20.0000 degrees
Body Recess Nominal Depth: 0.505 inches first end
Face Nominal Width: 0.760 inches
Nominal Outside Radius: 5.514 inches
Precision Classification: quality number 10
Arc Nominal Length: 8.650 inches
Mounting Hole Nominal Diameter: 0.285 inches and 0.030 inches axially through body, first end
Bolt Hole Circle Nominal Diameter: 3.912 inches and 4.125 inches axially through body, first end
Special Features: bottom flange 0.255 in thick for mtg holes
Material: steel overall
Material Document And Classification: qq-s-626,comp 8620 fed spec single material response or qq-s-624,cond normalized fed spec single material response overall
Style Designator: hubless, recessed body

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
117D2974	Spur Gear Sector

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3020-00-528-1370?

The FSCG of the NSN 3020-00-528-1370 is 3020

Does the NSN 3020-00-528-1370 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-528-1370 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3020-00-528-1370 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-528-1370 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 3020-00-528-1370 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sun, Sep 1, 1974