4040D6

View detailed technical data, stock status, and sourcing information for: 4040D6
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-596-5865

Item Name Code

05277

Assigment Date

01/01/1963 (63 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

right-hand thread direction, 0.443 inches minimum and 0.469 inches maximum nut height, prevailing torque with nonmetallic insert locking feature, +0.3479 to 0.3503 inches thread pitch diameters, 0.556 inches minimum and 0.565 inches maximum width across flats

Product Characteristics

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

Thread Pitch Diameters: +0.3479 to 0.3503 inches
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Height: 0.443 inches minimum and 0.469 inches maximum
Width Across Flats: 0.556 inches minimum and 0.565 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Material: fiber locking insert
Material: steel comp 1137 nut
Material Document And Classification: ams 5024 assn std single material response nut
Surface Treatment: cadmium nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-198-4741	No Name Available	05/01/1976

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
4040D6	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-596-5865?

The FSCG of the NSN 5310-00-596-5865 is 5310

Does the NSN 5310-00-596-5865 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-596-5865 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 5310-00-596-5865 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-596-5865 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 5310-00-596-5865 was assigned to the Federal Catalog?

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