D121CDMA/BL

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-00-420-8055

Item Name Code

03263

Assigment Date

03/19/1969 (57 years ago)

0.427 inches maximum distance from hole center to knob/skirt base, 0.252 inches minimum and 0.254 inches maximum inside diameter, 2 setscrew hole quantity, 0.605 inches minimum overall depth, grip aid gripping surface condition

Product Characteristics

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

Inside Diameter: 0.252 inches minimum and 0.254 inches maximum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.427 inches maximum
Overall Depth: 0.605 inches minimum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: flatted one side
Outside Diameter: 1.240 inches minimum and 1.280 inches maximum
Skirt Style: flared
Reference Marking: arrow
Attachment Method: setscrews
Inside Width: 0.222 inches minimum and 0.227 inches maximum
Overall Thickness: 1.325 inches minimum and 1.425 inches maximum
Material Transparency: opaque
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 32 screw hole
Nominal Thread Size: 0.164 inches screw hole
Skirt Outside Diameter: 1.837 inches maximum
Skirt Design: nondetachable
Special Features: shaft accommodation hole counterbored,0.750 in. min dia,0.250 in. min depth,tactile from-gain,1.136 in. min dia,1.176 in. max dia,0.665 in. min thickness,0.715 in. max thickness
Style Designator: round
Thread Series Designator: unc screw hole

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
125-3-2DC-4	Knob
3F4B4	Knob
512-3WA-4M-4	Knob
D121CDMA/BL	Knob
KMS12F2DL4	Knob
MS91528-3F4B4	Knob

FAQs

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

What is the FSCG of the NSN 5355-00-420-8055?

The FSCG of the NSN 5355-00-420-8055 is 5355

Does the NSN 5355-00-420-8055 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-00-420-8055 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 5355-00-420-8055 contain precious materials?

Precious metal content is unknown

Does NSN 5355-00-420-8055 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 5355-00-420-8055 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Mar 19, 1969