1T2B

View detailed technical data, stock status, and sourcing information for: 1T2B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-421-5109

Item Name Code

03263

Assigment Date

12/21/1970 (55 years ago)

0.485 inches minimum counterbore diameter, 0.252 inches minimum and 0.254 inches maximum inside diameter, 0.026 inches minimum counterbore depth, 2 setscrew hole quantity, 0.187 inches maximum 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
Counterbore Diameter: 0.485 inches minimum
Counterbore Depth: 0.026 inches minimum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.187 inches maximum
Overall Depth: 0.405 inches minimum
Width: 0.690 inches minimum and 0.730 inches maximum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: counterbored
Length: 1.020 inches minimum and 1.070 inches maximum
Reference Marking: line
Attachment Method: setscrews
Overall Thickness: 0.580 inches minimum and 0.640 inches maximum
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Pointer Design: nondetachable
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
1T2B	Knob
507-4WL-2M	Knob
70-4WL-2G	Knob
72A4MA/WL	Knob
KMS7P W/WHITE LINE 2L	Knob
MS91528-1T2B	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-421-5109?

The FSCG of the NSN 5355-00-421-5109 is 5355

Does the NSN 5355-00-421-5109 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-421-5109 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 5355-00-421-5109 contain precious materials?

Precious metal content is unknown

Does NSN 5355-00-421-5109 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 5355-00-421-5109 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Dec 21, 1970