NSA 121-B125

View detailed technical data, stock status, and sourcing information for: NSA 121-B125
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-667-9155

Item Name Code

03263

Assigment Date

01/01/1963 (63 years ago)

rectangular shaft accommodation style, 0.500 inches nominal distance from hole center to knob/skirt base, 1.000 inches maximum outside diameter, smooth gripping surface condition, 0.750 inches nominal overall depth

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Distance From Hole Center To Knob/Skirt Base: 0.500 inches nominal
Overall Depth: 0.750 inches nominal
Gripping Surface Condition: smooth
Shaft Accommodation Style: rectangular
Outside Diameter: 1.000 inches maximum
Attachment Method: machine screw
Inside Width: 0.125 inches minimum and 0.130 inches maximum
Inside Length: 0.625 inches minimum and 0.630 inches maximum
Screw Drive Type: cross recess type 1
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.190 inches screw hole
Color: black
Material: plastic
Style Designator: ball
Thread Series Designator: unf screw hole
Specification/Standard Data: 80205-nas121 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5355-00-668-5821	No Name Available	01/01/1963

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
NAS121B-125	Knob
NAS121B125	Knob
NSA 121-B125	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-667-9155?

The FSCG of the NSN 5355-00-667-9155 is 5355

Does the NSN 5355-00-667-9155 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-667-9155 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 5355-00-667-9155 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-00-667-9155 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 5355-00-667-9155 was assigned to the Federal Catalog?

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