SYLC811

View detailed technical data, stock status, and sourcing information for: SYLC811
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-255-5970

Item Name Code

06657

Assigment Date

06/15/1973 (53 years ago)

0.178 inches minimum and 0.198 inches maximum fastener length, flat chamfer head style, 0.115 inches minimum and 0.135 inches maximum thread length, 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: 0.115 inches minimum and 0.135 inches maximum
Fastener Length: 0.178 inches minimum and 0.198 inches maximum
Head Style: flat chamfer
Head Diameter: 0.370 inches minimum and 0.380 inches maximum
Head Height: 0.084 inches minimum and 0.104 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum
Screw Material: steel
Screw Material Document And Classification: qq-t-580,gr c,cl w1-10 fed spec single material response
Screw Surface Treatment: oxide
Screw Surface Treatment Document And Classification: mil-c-13924,cl 1 mil spec single treatment response
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
SYLC811	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-255-5970?

The FSCG of the NSN 5305-00-255-5970 is 5305

Does the NSN 5305-00-255-5970 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-255-5970 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 5305-00-255-5970 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-255-5970 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 5305-00-255-5970 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Jun 15, 1973