280237-2

View detailed technical data, stock status, and sourcing information for: 280237-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-436-7752

Item Name Code

03263

Assigment Date

09/12/1969 (56 years ago)

A rod or rod assembly specifically designed to be mounted vertically on the highest point of a structure and connected to ground in such a way that it can carry a lightning discharge to ground. May include accessories such as clamps and cables.

2 setscrew hole quantity, 0.500 inches nominal overall depth, 0.250 inches nominal distance from hole center to knob/skirt base, smooth gripping surface condition, 0.252 inches minimum and 0.253 inches maximum 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: 0.252 inches minimum and 0.253 inches maximum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.250 inches nominal
Overall Depth: 0.500 inches nominal
Gripping Surface Condition: smooth
Shaft Accommodation Style: round
Outside Diameter: 1.250 inches nominal
Skirt Style: flared
Attachment Method: setscrews
Overall Thickness: 0.750 inches nominal
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Skirt Outside Diameter: 0.500 inches nominal
Skirt Design: nondetachable
Special Features: one 0.062 in radius slot located on od of knob
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
280237-2	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-436-7752?

The FSCG of the NSN 5355-00-436-7752 is 5355

Does the NSN 5355-00-436-7752 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-436-7752 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 5355-00-436-7752 contain precious materials?

Precious metal content is unknown

Does NSN 5355-00-436-7752 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 5355-00-436-7752 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Sep 12, 1969