5305-00-178-8640

Find complete technical information, availability, and procurement data for: 5305-00-178-8640
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-178-8640

Item Name Code

22846

Assigment Date

02/18/1973 (53 years ago)

0.564 inches minimum and 0.566 inches maximum fastener length, 0.188 inches nominal thread length, flat chamfer head style, right-hand thread direction, 2a thread class

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: 0.188 inches nominal
Fastener Length: 0.564 inches minimum and 0.566 inches maximum
Head Style: flat chamfer
Head Diameter: 0.312 inches nominal
Head Height: 0.156 inches nominal
Shoulder Diameter: 0.187 inches minimum and 0.188 inches maximum first shoulder
Shoulder Length: 0.376 inches minimum and 0.378 inches maximum first shoulder
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Hardness Rating: 28.0 rockwell c minimum and 32.0 rockwell c maximum overall
Shoulder Shape: round first shoulder
Material: steel comp 416 overall
Thread Series Designator: unc

FAQs

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

What is the FSCG of the NSN 5305-00-178-8640?

The FSCG of the NSN 5305-00-178-8640 is 5305

Does the NSN 5305-00-178-8640 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-178-8640 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 5305-00-178-8640 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-178-8640 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 5305-00-178-8640 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sun, Feb 18, 1973