S309-64BBBF1889SSX539

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-644-1088

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

1.188 inches nominal shank diameter, 2 setscrew hole quantity, 0.407 inches nominal shank length, 0.250 inches nominal inside diameter, straight shank style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inside Diameter: 0.250 inches nominal
Shank Length: 0.407 inches nominal
Shank Diameter: 1.188 inches nominal
Shank Style: straight
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.250 inches nominal
Overall Depth: 0.500 inches nominal
Width: 1.625 inches nominal
Gripping Surface Condition: smooth
Shaft Accommodation Style: round
Attachment Method: setscrews
Overall Thickness: 1.219 inches nominal
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.190 inches screw hole
Special Features: cres black nickel plated handle extends 0.469 in. from face of knob and three 0.138-32 thd by 0.375 in. deep mtg holes in rear spaced 120 deg apart on 0.812 in. dia circle
Color: black
Style Designator: round with crank
Thread Series Designator: unf screw hole

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
P250A12061	Knob
S309-64BBBF1889	Knob
S309-64BBBF1889SSX539	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-644-1088?

The FSCG of the NSN 5355-00-644-1088 is 5355

Does the NSN 5355-00-644-1088 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-644-1088 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 5355-00-644-1088 contain precious materials?

Precious metal content is unknown

Does NSN 5355-00-644-1088 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 5355-00-644-1088 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963