5305-00-068-5393

Find complete technical information, availability, and procurement data for: 5305-00-068-5393
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-068-5393

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, flat countersunk head style, right-hand thread direction, 0.526 inches minimum and 0.558 inches maximum thread length, 0.609 inches minimum and 0.641 inches maximum fastener length

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: 0.526 inches minimum and 0.558 inches maximum
Fastener Length: 0.609 inches minimum and 0.641 inches maximum
Head Style: flat countersunk
Head Diameter: 0.218 inches minimum and 0.255 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.0625 inches minimum and 0.0635 inches maximum
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Minimum Yield Strength: 130000 pounds per square inch
Countersink Angle: 82.0 degrees nominal
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator: unc

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
MS24667-4	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-068-5393?

The FSCG of the NSN 5305-00-068-5393 is 5305

Does the NSN 5305-00-068-5393 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-068-5393 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 5305-00-068-5393 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-068-5393 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 5305-00-068-5393 was assigned to the Federal Catalog?

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