51ABMA/WD

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51ABMA/WD
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5355 Knobs and Pointers
National Stock Number
5355-00-757-5493
Item Name Code
03263
Assigment Date
03/06/1968 (58 years ago)

An open- or close-wound coil spring, consisting of one or more helical coils wound from different shapes and types of material and finished at the ends, designed to exert pressure in a rotating direction around the coil axis. Excludes:springs designed for thermal actuation (springs in which the torsion forces are counteracted by changes in temperature) and spring,reinforcing,hose.

grip aid gripping surface condition, 0.405 inches minimum overall depth, 2 setscrew hole quantity, 0.158 inches maximum distance from hole center to knob/skirt base, 0.127 inches minimum and 0.129 inches maximum 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
0.127 inches minimum and 0.129 inches maximum
Setscrew Hole Quantity
2
Distance From Hole Center To Knob/Skirt Base
0.158 inches maximum
Overall Depth
0.405 inches minimum
Gripping Surface Condition
grip aid
Shaft Accommodation Style
flatted one side
Outside Diameter
0.490 inches minimum and 0.530 inches maximum
Reference Marking
dot
Attachment Method
setscrews
Inside Width
0.107 inches minimum and 0.112 inches maximum
Overall Thickness
0.480 inches minimum and 0.540 inches maximum
Material Transparency
opaque
Screw Drive Type
hexagon socket
Thread Quantity Per Inch
40 screw hole
Nominal Thread Size
0.112 inches screw hole
Special Features
shaft accommodation hole counterbored 0.435 in. min dia 0.026 in. min depth
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
0C3B Knob
50-1WD-1DG Knob
51ABMA/WD Knob
MS91528-0C3B Knob

FAQs

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

What is the FSCG of the NSN 5355-00-757-5493?
The FSCG of the NSN 5355-00-757-5493 is 5355
Does the NSN 5355-00-757-5493 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-757-5493 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 5355-00-757-5493 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-757-5493 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 5355-00-757-5493 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Wed, Mar 6, 1968

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