BP258-A1G1

View detailed technical data, stock status, and sourcing information for: BP258-A1G1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-171-8141

Item Name Code

03263

Assigment Date

02/13/1984 (42 years ago)

2 setscrew hole quantity, 0.500 inches maximum overall depth, 0.880 inches nominal width, 0.127 inches minimum and 0.129 inches maximum inside diameter, 0.250 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: 0.127 inches minimum and 0.129 inches maximum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.250 inches nominal
Overall Depth: 0.500 inches maximum
Width: 0.880 inches nominal
Gripping Surface Condition: smooth
Shaft Accommodation Style: flatted one side
Reference Marking: line
Attachment Method: setscrews
Inside Width: 0.107 inches minimum and 0.109 inches maximum
Overall Thickness: 0.560 inches nominal
Material Transparency: clear
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Color: gray, fed std 595, 36231 and black, lusterless and white
Material: copper alloy and plastic and steel
Style Designator: round with extended 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
BP258-A1G1	Knob
SC5355-0024-1	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-171-8141?

The FSCG of the NSN 5355-01-171-8141 is 5355

Does the NSN 5355-01-171-8141 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-171-8141 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 5355-01-171-8141 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-171-8141 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 5355-01-171-8141 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Feb 13, 1984