51DDMA

View detailed technical data, stock status, and sourcing information for: 51DDMA
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-177-9797

Item Name Code

03263

Assigment Date

04/30/1984 (42 years ago)

An item intended to be mounted on or associated with a rotating shaft or similar device to determine relative position or definite dial and/or scale readings. Positioning may be indicated by the shape of the item or by a reference line thereon. Excludes:cursor, indicator and knob.

0.568 inches minimum overall depth, grip aid gripping surface condition, 2 setscrew hole quantity, 0.252 inches minimum and 0.254 inches maximum inside diameter, 0.325 inches maximum 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: 0.252 inches minimum and 0.254 inches maximum
Setscrew Hole Quantity: 2
Distance From Hole Center To Knob/Skirt Base: 0.325 inches maximum
Overall Depth: 0.568 inches minimum
Gripping Surface Condition: grip aid
Shaft Accommodation Style: flatted one side
Outside Diameter: 0.490 inches minimum and 0.530 inches maximum
Skirt Style: flared
Attachment Method: setscrews
Inside Width: 0.222 inches minimum and 0.227 inches maximum
Overall Thickness: 0.625 inches minimum and 0.685 inches maximum
Screw Drive Type: hexagon socket
Thread Quantity Per Inch: 40 screw hole
Nominal Thread Size: 0.112 inches screw hole
Skirt Outside Diameter: 1.150 inches maximum
Skirt Design: nondetachable
Special Features: shaft accommodation hole counterbored 0.485 in. min dia and 0.188 in. min depth
Color: black
Style Designator: round
Thread Series Designator: unc screw hole
Specification/Standard Data: 96906-ms91528 government 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
0G4B	Knob
505-3NA-4M	Knob
51DDMA	Knob
MS91528-0G4B	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-177-9797?

The FSCG of the NSN 5355-01-177-9797 is 5355

Does the NSN 5355-01-177-9797 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-177-9797 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 5355-01-177-9797 contain precious materials?

Item does not contain precious metal.

Does NSN 5355-01-177-9797 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 5355-01-177-9797 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Apr 30, 1984