S645-3LBB

View detailed technical data, stock status, and sourcing information for: S645-3LBB
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-668-4527

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

0.375 inches nominal overall depth, 2 setscrew hole quantity, 0.219 inches nominal distance from hole center to knob/skirt base, 0.625 inches nominal width, 0.250 inches nominal inside diameter

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: 0.219 inches nominal
Overall Depth: 0.375 inches nominal
Width: 0.625 inches nominal
Fluted Foil Quantity: 7
Gripping Surface Condition: smooth
Shaft Accommodation Style: round
Skirt Style: flared
Reference Marking: single line
Attachment Method: setscrews
Overall Thickness: 0.438 inches nominal
Screw Drive Type: slot
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.138 inches screw hole
Skirt Outside Diameter: 0.750 inches nominal
Skirt Design: nondetachable
Style Designator: fluted foils
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Below is a list of NSNs that have been officially superseded by this NSN: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
5355-00-316-8224	No Name Available	04/01/1985
5355-00-553-3586	No Name Available	03/11/1966
5355-00-682-6550	No Name Available	04/01/1985

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
716499-004	Knob
716499-4	Knob
S645-3BBL	Knob
S645-3LBB	Knob
S645-3LBB595	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-668-4527?

The FSCG of the NSN 5355-00-668-4527 is 5355

Does the NSN 5355-00-668-4527 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-668-4527 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 5355-00-668-4527 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-00-668-4527 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 5355-00-668-4527 was assigned to the Federal Catalog?

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