1A4B

View detailed technical data, stock status, and sourcing information for: 1A4B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-917-1012

Item Name Code

03263

Assigment Date

07/22/1966 (59 years ago)

0.252 inches minimum and 0.254 inches maximum inside diameter, 0.445 inches minimum overall depth, 0.250 inches maximum distance from hole center to knob/skirt base, 0.690 inches minimum and 0.730 inches maximum width, 2 setscrew hole quantity

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: 0.250 inches maximum
Overall Depth: 0.445 inches minimum
Width: 0.690 inches minimum and 0.730 inches maximum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: flatted one side
Length: 1.515 inches maximum
Reference Marking: line
Attachment Method: setscrews
Inside Width: 0.222 inches minimum and 0.227 inches maximum
Overall Thickness: 0.630 inches minimum and 0.660 inches maximum
Material Transparency: opaque
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Pointer Design: nondetachable
Style Designator: bar with single 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
10117821	Knob
1018963-005	Knob
1A4B	Knob
222750-004	Knob
222750-005	Knob
5355009171012	Knob
MS91528-1A4B	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-917-1012?

The FSCG of the NSN 5355-00-917-1012 is 5355

Does the NSN 5355-00-917-1012 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-917-1012 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 5355-00-917-1012 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-00-917-1012 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 5355-00-917-1012 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Jul 22, 1966