KFN511DL6

View detailed technical data, stock status, and sourcing information for: KFN511DL6
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-331-7216

Item Name Code

05277

Assigment Date

12/24/1990 (35 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.

prevailing torque all metal design locking feature, dry film lubricant lubrication, hexagon nut style, 3b thread class, right-hand thread direction

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
Locking Feature: prevailing torque all metal design
Lubrication: dry film lubricant
Nut Style: hexagon
Nut Height: 0.606 inches maximum
Width Across Flats: 0.410 inches minimum and 0.439 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Hardness Rating: 33.0 rockwell c minimum and 44.0 rockwell c maximum
Nominal Thread Size: 0.375 inches
Bearing Surface Type: chamfered
Material: iron alloy 660 overall
Material Document And Classification: ams5732 assn std single material response or ams5737 assn std single material 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
03A136-6L	Hexagon Self-Locking Nut
BH136M6	Hexagon Self-Locking Nut
KFN511DL6	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-331-7216?

The FSCG of the NSN 5310-01-331-7216 is 5310

Does the NSN 5310-01-331-7216 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-331-7216 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 5310-01-331-7216 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-331-7216 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 5310-01-331-7216 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Mon, Dec 24, 1990