SMB561751-2

View detailed technical data, stock status, and sourcing information for: SMB561751-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-255-6587

Item Name Code

06673

Assigment Date

03/19/1971 (55 years ago)

0.375 inches nominal fastener length, 0.188 inches minimum thread length, right-hand thread direction, thumb no. 3 head style, 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 minimum
Fastener Length: 0.375 inches nominal
Head Style: thumb no. 3
Head Height: 0.750 inches nominal
Width Between Flats: 0.859 inches minimum and 0.891 inches maximum
First Diameter From Head: 0.147 inches minimum and 0.150 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.172 inches minimum and 0.204 inches maximum
Point Style: flat
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 304 overall
Material Document And Classification: qq-s-763 fed spec single material response overall
Thread Series Designator: unf

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
SMB561751-2	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-00-255-6587?

The FSCG of the NSN 5305-00-255-6587 is 5305

Does the NSN 5305-00-255-6587 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-255-6587 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 5305-00-255-6587 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-255-6587 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 5305-00-255-6587 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Mar 19, 1971