S78-3BB

View detailed technical data, stock status, and sourcing information for: S78-3BB
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-771-6939

Item Name Code

03263

Assigment Date

01/01/1960 (66 years ago)

2 setscrew hole quantity, 0.156 inches nominal distance from hole center to knob/skirt base, straight shank style, 0.531 inches nominal shank diameter, 0.250 inches nominal inside diameter

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 Diameter: 0.531 inches nominal
Shank Style: straight
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.156 inches nominal
Overall Depth: 0.406 inches nominal
Gripping Surface Condition: grip aid
Shaft Accommodation Style: round
Outside Diameter: 1.000 inches nominal
Attachment Method: setscrews
Overall Thickness: 0.625 inches nominal
Screw Drive Type: cross recess type 1
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.138 inches screw hole
Color: black
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
S78-3BB	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-771-6939?

The FSCG of the NSN 5355-00-771-6939 is 5355

Does the NSN 5355-00-771-6939 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-771-6939 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 5355-00-771-6939 contain precious materials?

Precious metal content is unknown

Does NSN 5355-00-771-6939 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 5355-00-771-6939 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960