A2172

View detailed technical data, stock status, and sourcing information for: A2172
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-644-1431

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

grip aid gripping surface condition, 0.250 inches nominal inside diameter, 0.500 inches nominal overall depth, 0.250 inches nominal distance from hole center to knob/skirt base, 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: 0.250 inches nominal
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.250 inches nominal
Overall Depth: 0.500 inches nominal
Gripping Surface Condition: grip aid
Shaft Accommodation Style: round
Outside Diameter: 1.125 inches nominal
Attachment Method: setscrews
Overall Thickness: 0.625 inches nominal
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Color: black
Style Designator: round
Thread Series Designator: unc screw hole

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5355-00-284-5174	No Name Available	06/01/1983
5355-00-889-8900	No Name Available	03/14/1966

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
38-7308-221-00-3-00	Knob
A2172	Knob
S-308-3	Knob
S308-3	Knob
V38J782-2	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-644-1431?

The FSCG of the NSN 5355-00-644-1431 is 5355

Does the NSN 5355-00-644-1431 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-644-1431 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 5355-00-644-1431 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-00-644-1431 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 5355-00-644-1431 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963