5305-00-778-8717

Find complete technical information, availability, and procurement data for: 5305-00-778-8717
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-778-8717

Item Name Code

06657

Assigment Date

01/01/1962 (64 years ago)

2a thread class, 0.437 inches maximum thread length, hexagon extended washer head style, 0.437 inches maximum fastener length, 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: 2a
Thread Direction: right-hand
Thread Length: 0.437 inches maximum
Fastener Length: 0.437 inches maximum
Head Style: hexagon extended washer
Head Height: 0.142 inches maximum
Width Between Flats: 0.250 inches maximum
Extended Washer Diameter: 0.380 inches maximum
Extended Washer Thickness: 0.032 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Screw Material: steel comp 1020
Screw Material Document And Classification: qq-s-634 fed spec single material response
Screw Surface Treatment: cadmium
Test Data Document: 98230-ce93986 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
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
CE93986	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-778-8717?

The FSCG of the NSN 5305-00-778-8717 is 5305

Does the NSN 5305-00-778-8717 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-778-8717 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 5305-00-778-8717 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-778-8717 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 5305-00-778-8717 was assigned to the Federal Catalog?

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