5305-01-681-2681

Find complete technical information, availability, and procurement data for: 5305-01-681-2681
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-681-2681

Item Name Code

29294

Assigment Date

06/10/2019 (7 years ago)

flat countersunk head style, 0.323 inches nominal thread length, 3a thread class, 0.266 inches minimum and 0.303 inches maximum head diameter, 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: 0.323 inches nominal
Head Style: flat countersunk
Head Diameter: 0.266 inches minimum and 0.303 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Single Shear Strength: 950000 pounds per square inch
Internal Drive Style: cross recess type 1
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Part Name Assigned By Controlling Agency: high strength, close tolerance, reduced (shear) head, countersunk screw
Material: steel comp e4340 and steel comp 8740 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
NAS8603-10	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-681-2681?

The FSCG of the NSN 5305-01-681-2681 is 5305

Does the NSN 5305-01-681-2681 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-681-2681 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 5305-01-681-2681 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-681-2681 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 5305-01-681-2681 was assigned to the Federal Catalog?

It was assigned 7 years ago, on Mon, Jun 10, 2019