509-2-4M

View detailed technical data, stock status, and sourcing information for: 509-2-4M
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-932-5712

Item Name Code

03263

Assigment Date

02/20/1967 (59 years ago)

A headed fastening device having a smooth solid shank designed to have the shank end upset after insertion.

grip aid gripping surface condition, 0.484 inches maximum distance from hole center to knob/skirt base, 0.252 inches minimum and 0.254 inches maximum inside diameter, 2 setscrew hole quantity, 0.730 inches minimum overall depth

Product Characteristics

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

Inside Diameter: 0.252 inches minimum and 0.254 inches maximum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.484 inches maximum
Overall Depth: 0.730 inches minimum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: flatted one side
Outside Diameter: 0.890 inches minimum and 0.930 inches maximum
Skirt Style: stepped
Attachment Method: setscrews
Inside Width: 0.222 inches minimum and 0.227 inches maximum
Overall Thickness: 0.980 inches minimum and 1.040 inches maximum
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Skirt Outside Diameter: 0.845 inches maximum
Skirt Design: nondetachable
Special Features: shaft accommodation hole counterbored,0.640 in. min dia,0.320 in. min depth
Color: black, lusterless
Style Designator: round
Thread Series Designator: unc 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
2D4B	Knob
509-2-4M	Knob
90-2-2DG	Knob
91BDMA	Knob
9L4RS	Knob
MS91258-2D4B	Knob
MS91528-2D4B	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-932-5712?

The FSCG of the NSN 5355-00-932-5712 is 5355

Does the NSN 5355-00-932-5712 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-932-5712 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 5355-00-932-5712 contain precious materials?

Precious metal content is unknown

Does NSN 5355-00-932-5712 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 5355-00-932-5712 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Mon, Feb 20, 1967