NAS539-1B

View detailed technical data, stock status, and sourcing information for: NAS539-1B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-667-9178

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

0.253 inches minimum and 0.255 inches maximum inside diameter, 1 setscrew hole quantity, straight shank style, 0.171 inches nominal shank length, 0.300 inches nominal shank 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: 0.253 inches minimum and 0.255 inches maximum
Shank Length: 0.171 inches nominal
Shank Diameter: 0.300 inches nominal
Shank Style: straight
Setscrew Hole Quantity: 1
Distance From Hole Center To Knob/Skirt Base: 0.406 inches nominal
Overall Depth: 0.720 inches minimum and 0.730 inches maximum
Gripping Surface Condition: smooth
Shaft Accommodation Style: flatted one side
Outside Diameter: 1.250 inches maximum
Skirt Style: ring
Reference Marking: single line
Attachment Method: setscrews
Inside Width: 0.220 inches minimum and 0.230 inches maximum
Overall Thickness: 0.796 inches nominal
Screw Drive Type: cross recess type 1
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Skirt Outside Diameter: 0.500 inches nominal
Skirt Design: nondetachable
Pointer Design: nondetachable
Style Designator: round with single pointed bar face
Thread Series Designator: unc screw hole
Specification/Standard Data: 80205-nas539 professional/industrial association standard

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
NAS539	Knob
NAS539-1B	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-667-9178?

The FSCG of the NSN 5355-00-667-9178 is 5355

Does the NSN 5355-00-667-9178 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-667-9178 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 5355-00-667-9178 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-00-667-9178 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 5355-00-667-9178 was assigned to the Federal Catalog?

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