3040-00-173-0081

Find complete technical information, availability, and procurement data for: 3040-00-173-0081
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-173-0081

Item Name Code

13743

Assigment Date

01/01/1963 (63 years ago)

0.250 inches minimum and 0.251 inches maximum internal keyway width, 3.500 inches nominal outside diameter, 1.5300 inches minimum and 1.5310 inches maximum bore diameter, 1.219 inches nominal thickness, 2.188 inches nominal small end diameter

Product Characteristics

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

Outside Diameter: 3.500 inches nominal
Internal Keyway Width: 0.250 inches minimum and 0.251 inches maximum
Thickness: 1.219 inches nominal
Small End Diameter: 2.188 inches nominal
Bore Diameter: 1.5300 inches minimum and 1.5310 inches maximum
Largest Diameter Length: 0.344 inches nominal
Keyway Quantity: 1
Distance From Center Of Bore To Bottom Of Keyway: 0.902 inches minimum and 0.911 inches maximum
Securing Hole Quantity: 6
Angle Between Centerlines Of Securing Holes In Deg: 60.0
Screw Thread Series Designator And Location: all holes unc
Securing Hole Type And Location: threaded-countersunk all holes
Countersunk Hole Angle In Deg And Location: 60.0 all holes
Nominal Thread Size And Location: unable to decode
Countersink Major Diameter And Location: 0.3438 inches nominal all holes
Special Features: lip on step end 0.188in. wide and 2.247 in. min2.250 in. max dia
Material: steel
Style Designator: round stepped

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-358-2845	No Name Available	01/01/1963

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
677540	Shaft Collar

FAQs

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

What is the FSCG of the NSN 3040-00-173-0081?

The FSCG of the NSN 3040-00-173-0081 is 3040

Does NSN 3040-00-173-0081 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 3040-00-173-0081 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-173-0081 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 3040-00-173-0081 was assigned to the Federal Catalog?

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