25021-0001

View detailed technical data, stock status, and sourcing information for: 25021-0001
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-019-3804

Item Name Code

03263

Assigment Date

04/14/1976 (50 years ago)

An item which consists of a quartz crystal resonator(s), suitably mounted in a holder, quartz crystal.

0.250 inches nominal inside diameter, 0.500 inches nominal distance from hole center to knob/skirt base, 2 setscrew hole quantity, 0.795 inches nominal overall depth, 0.777 inches minimum and 0.783 inches maximum width

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
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.500 inches nominal
Overall Depth: 0.795 inches nominal
Width: 0.777 inches minimum and 0.783 inches maximum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: round
Length: 1.275 inches nominal
Skirt Style: ring
Attachment Method: setscrews
Overall Thickness: 1.010 inches nominal
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Skirt Outside Diameter: 0.640 inches nominal
Skirt Design: nondetachable
Pointer Design: nondetachable
Color: black
Style Designator: pointer
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
25021-0001	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-019-3804?

The FSCG of the NSN 5355-01-019-3804 is 5355

Does the NSN 5355-01-019-3804 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-019-3804 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 5355-01-019-3804 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-019-3804 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 5355-01-019-3804 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Wed, Apr 14, 1976