AS6140-08

View detailed technical data, stock status, and sourcing information for: AS6140-08
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-682-7568

Item Name Code

15887

Assigment Date

08/22/2019 (7 years ago)

A cylindrical item used for mounting a propeller on the propulsion shaft or used as a guide bushing for a propeller pitch mechanism.

3b thread class, round nut style, right-hand thread direction, 1.636 inches minimum and 1.656 inches maximum small end diameter, 1.709 inches minimum and 1.729 inches maximum nut diameter

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Small End Diameter: 1.636 inches minimum and 1.656 inches maximum
Nut Style: round
Nut Diameter: 1.709 inches minimum and 1.729 inches maximum
Nut Thickness: 0.271 inches minimum and 0.291 inches maximum
Drive Point Width: 0.178 inches minimum and 0.198 inches maximum
End Item Identification: ms-177 7-band
Thread Series: unjs
Thread Quantity Per Inch: 18
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Nominal Thread Size: 1.3760 inches
Part Name Assigned By Controlling Agency: nut,spanner bearing retaining,phophate treated aeronautical,uns g41400
Material: steel comp 4140 overall
Material Document And Classification: ams 6381 or ams 6382 national std single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: ams 2481 national std single treatment response overall

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
AS6140-08	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-682-7568?

The FSCG of the NSN 5310-01-682-7568 is 5310

Does the NSN 5310-01-682-7568 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-682-7568 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 5310-01-682-7568 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-682-7568 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 5310-01-682-7568 was assigned to the Federal Catalog?

It was assigned 7 years ago, on Thu, Aug 22, 2019