C81-8-862

View detailed technical data, stock status, and sourcing information for: C81-8-862

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C81-8-862
Federal Supply Group
Mechanical Power Transmission Equipment
Federal Supply Classification
3010 Torque Converters and Speed Changers
National Stock Number
3010-00-781-5903
Item Name Code
04459
Assigment Date
01/01/1960 (66 years ago)

A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see block, tackle. For items specifically designed for aviation, see pulley(1), groove, aviation.

3/8 -16 thd size both ends thread size designator, 2.000 inches nominal outside diameter, 0.1250 inches nominal both ends keyway depth, 3.690 inches nominal overall length, 0.250 inches nominal both ends keyway width

Product Characteristics

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

Overall Length
3.690 inches nominal
Outside Diameter
2.000 inches nominal
Keyway Width
0.250 inches nominal both ends
Keyway Depth
0.1250 inches nominal both ends
Thread Size Designator
3/8 -16 thd size both ends
Bore Diameter
1.0000 inches nominal both ends
Bore Length
1.4375 inches nominal both ends
Bore Shape
straight both ends
Furnished Items And Quantity
setscrew 2
Design Type
insert
Keying Facility Quantity
1 both ends
Keying Facility Type
keyway both ends
Securing Method
threaded hole both ends
Threaded Hole Quantity
1 both ends
Threaded Hole Location
both ends: located 180 deg from keyway
Features Provided
keyway

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3010-00-967-9016 No Name Available 03/14/1969

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
C81-8-862 Flexible Shaft Coupling
FCBB20 Flexible Shaft Coupling
FCBB20-1 Flexible Shaft Coupling

FAQs

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

What is the FSCG of the NSN 3010-00-781-5903?
The FSCG of the NSN 3010-00-781-5903 is 3010
Does the NSN 3010-00-781-5903 have a Schedule B code assigned?
Yes, the Schedule B code is 8483608000
Does NSN 3010-00-781-5903 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 3010-00-781-5903 contain precious materials?
Precious metal content is unknown
Does NSN 3010-00-781-5903 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 3010-00-781-5903 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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