4S2B

View detailed technical data, stock status, and sourcing information for: 4S2B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-523-8278

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

0.500 inches nominal shank length, 2 setscrew hole quantity, 0.250 inches nominal inside diameter, 0.734 inches nominal overall depth, 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: 0.250 inches nominal
Shank Length: 0.500 inches nominal
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.250 inches nominal
Overall Depth: 0.734 inches nominal
Width: 2.284 inches minimum and 2.404 inches maximum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: round
Skirt Style: stepped
Attachment Method: setscrews
Overall Thickness: 1.781 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: 1.690 inches maximum
Skirt Design: nondetachable
Color: black
Style Designator: round with crank
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Below is a list of NSNs that have been officially superseded by this NSN: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
5355-00-545-9185	No Name Available	07/15/1968
5355-00-685-3844	No Name Available	01/01/1961
5355-00-687-2909	No Name Available	02/05/1968
5355-00-817-5661	No Name Available	08/05/1968
5355-00-888-1672	No Name Available	10/01/1975

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
174B4MA	Knob
175-6-2G	Knob
17S2D	Knob
2088777-2	Knob
4S2B	Knob
4S2D	Knob
721815-2	Knob
744649-7	Knob
B507305	Knob
KMS17S2DL	Knob
KMS17S2L	Knob
KMS17S2LNR	Knob
KR175-6-2G	Knob
MS91528-4S2B	Knob
MS91528-4S2D	Knob
MS91538-4S2B	Knob
P35070033	Knob
Q76056-2	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-523-8278?

The FSCG of the NSN 5355-00-523-8278 is 5355

Does the NSN 5355-00-523-8278 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-523-8278 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 5355-00-523-8278 contain precious materials?

Precious metal content is unknown

Does NSN 5355-00-523-8278 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 5355-00-523-8278 was assigned to the Federal Catalog?

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