5305-00-639-6026

Find complete technical information, availability, and procurement data for: 5305-00-639-6026
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-639-6026

Item Name Code

06660

Assigment Date

01/01/1961 (65 years ago)

pan no. 2 head style, 2a thread class, 0.312 inches nominal fastener length, right-hand thread direction, 0.219 inches minimum thread 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: 2a
Thread Direction: right-hand
Thread Length: 0.219 inches minimum
Fastener Length: 0.312 inches nominal
Head Style: pan no. 2
Head Diameter: 0.306 inches minimum and 0.322 inches maximum
Head Height: 0.085 inches minimum and 0.096 inches maximum
Washer Quantity: 1
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Primary Washer Outside Diameter: 0.350 inches minimum and 0.355 inches maximum
Primary Washer Style: flat internal teeth
Primary Washer Material Thickness: 0.060 inches nominal
Material: steel overall
Surface Treatment: cadmium and dichromate overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-424-3001	No Name Available	09/15/1967

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
7402866	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-639-6026?

The FSCG of the NSN 5305-00-639-6026 is 5305

Does the NSN 5305-00-639-6026 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-639-6026 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 5305-00-639-6026 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-639-6026 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 5305-00-639-6026 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961