105186-506

View detailed technical data, stock status, and sourcing information for: 105186-506
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-252-4634

Item Name Code

06657

Assigment Date

06/24/1970 (56 years ago)

0.438 inches nominal fastener length, right-hand thread direction, round head style, 2a thread class, 0.376 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: 0.376 inches minimum
Fastener Length: 0.438 inches nominal
Head Style: round
Head Diameter: 0.240 inches minimum and 0.260 inches maximum
Head Height: 0.103 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Screw Material: copper alloy
Screw Surface Treatment: cadmium and chromium
Screw Surface Treatment Document And Classification: fps486-2 fscm 37695 mfr ref all treatment responses
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
105186-506	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-252-4634?

The FSCG of the NSN 5305-00-252-4634 is 5305

Does the NSN 5305-00-252-4634 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-252-4634 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 5305-00-252-4634 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-252-4634 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 5305-00-252-4634 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Jun 24, 1970