5305-01-239-1515

Find complete technical information, availability, and procurement data for: 5305-01-239-1515
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-239-1515

Item Name Code

22846

Assigment Date

08/26/1986 (39 years ago)

A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.

3a thread class, right-hand thread direction, flat countersunk undercut head style, 0.443 inches minimum and 0.510 inches maximum thread length, 1.078 inches minimum and 1.125 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: 0.443 inches minimum and 0.510 inches maximum
Fastener Length: 1.078 inches minimum and 1.125 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.501 inches minimum and 0.506 inches maximum
Head Height: 0.058 inches minimum and 0.060 inches maximum
Shoulder Diameter: 0.2802 inches minimum and 0.2807 inches maximum first shoulder
Shoulder Length: 0.615 inches minimum and 0.635 inches maximum first shoulder
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Shoulder Shape: round first shoulder
Special Features: furnish with one o-ring
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 assn std single material response overall
Surface Treatment: passivate overall
Thread Series Designator: unjf

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
11879C4-10A	Shoulder Screw
3M902C4-10A	Shoulder Screw
HT4020-4-10AY	Shoulder Screw
WC4020-4-10AY	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-239-1515?

The FSCG of the NSN 5305-01-239-1515 is 5305

Does the NSN 5305-01-239-1515 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-239-1515 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 5305-01-239-1515 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-239-1515 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 5305-01-239-1515 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Aug 26, 1986