K660028-11

View detailed technical data, stock status, and sourcing information for: K660028-11
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-814-6913

Item Name Code

01852

Assigment Date

01/01/1962 (64 years ago)

0.750 inches nominal fastener length, 0.688 inches minimum thread length, flat chamfer head style, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.688 inches minimum
Fastener Length: 0.750 inches nominal
Head Style: flat chamfer
Head Diameter: 0.750 inches nominal
Head Height: 0.170 inches nominal
Shank Unthreaded Hole Diameter: 0.082 inches nominal first hole
First Diameter From Head: 0.305 inches minimum and 0.315 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.062 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 34.0 rockwell c minimum and 38.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.623 inches minimum and 0.625 inches maximum first hole
Externally Relieved Body Diameter Quantity: 1
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 4130 overall
Material Document And Classification: mil-s-6758 mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Thread Series Designator: unf

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
K660028-11	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-00-814-6913?

The FSCG of the NSN 5305-00-814-6913 is 5305

Does the NSN 5305-00-814-6913 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-814-6913 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 5305-00-814-6913 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-814-6913 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 5305-00-814-6913 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962