623172-1

View detailed technical data, stock status, and sourcing information for: 623172-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-321-4678

Item Name Code

03263

Assigment Date

11/18/1973 (52 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

2 setscrew hole quantity, 0.620 inches nominal overall depth, 0.252 inches minimum and 0.254 inches maximum inside diameter, smooth gripping surface condition, 0.310 inches nominal distance from hole center to knob/skirt base

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: 0.310 inches nominal
Overall Depth: 0.620 inches nominal
Gripping Surface Condition: smooth
Shaft Accommodation Style: round
Outside Diameter: 0.880 inches nominal
Reference Marking: arrow
Attachment Method: setscrews
Overall Thickness: 0.750 inches nominal
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Color: gray, dark gull
Style Designator: round with bar face
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
533-158-13	Knob
623172-1	Knob
ST5M1253-302A	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-321-4678?

The FSCG of the NSN 5355-00-321-4678 is 5355

Does the NSN 5355-00-321-4678 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-321-4678 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 5355-00-321-4678 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-00-321-4678 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 5355-00-321-4678 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Nov 18, 1973