KEC1909

View detailed technical data, stock status, and sourcing information for: KEC1909
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-766-5259

Item Name Code

06657

Assigment Date

04/14/1972 (54 years ago)

2a thread class, hexagon head style, 0.438 inches nominal fastener length, 0.368 inches minimum thread 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: 0.368 inches minimum
Fastener Length: 0.438 inches nominal
Head Style: hexagon
Head Height: 0.125 inches nominal
Width Between Flats: 0.244 inches minimum and 0.250 inches maximum
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Screw Material: copper alloy
Screw Material Document And Classification: bs2873cb101w fscm 10849 mfr ref single material response
Special Features: counterbore head 0.156 in. dia by 0.010 deep
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
KEC1909	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-766-5259?

The FSCG of the NSN 5305-00-766-5259 is 5305

Does the NSN 5305-00-766-5259 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-766-5259 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 5305-00-766-5259 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-766-5259 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 5305-00-766-5259 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Apr 14, 1972