C71C4MC/BL

View detailed technical data, stock status, and sourcing information for: C71C4MC/BL

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C71C4MC/BL
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5355 Knobs and Pointers
National Stock Number
5355-00-139-0287
Item Name Code
03263
Assigment Date
08/25/1971 (54 years ago)

An item designed to transmit manual, rotary or linear motion to other devices. May include detachable or nondetachable stud (shaft), pointer, or skirt. It may have reference markings in the form of dots, arrows, hairlines, and/or symbols which may be used in conjunction with a calibrated panel, vernier indicator, and the like to indicate the position or motion of items. For items having spokes or simulated spokes radiating from near the center to near the outside rim of the item and relatively thin round disk-shaped items 3 inches (76.2 mm) in diameter or over, see handwheel. For items calibrated in units or series of divisions to denote relative positioning of devices see dial, control. Excludes:doorknob; and handle (as modified).

0.252 inches minimum and 0.254 inches maximum inside diameter, 0.485 inches minimum counterbore diameter, 0.188 inches minimum counterbore depth, 0.369 inches maximum distance from hole center to knob/skirt base, 2 setscrew hole quantity

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
Counterbore Diameter
0.485 inches minimum
Counterbore Depth
0.188 inches minimum
Setscrew Hole Quantity
2
Distance From Hole Center To Knob/Skirt Base
0.369 inches maximum
Overall Depth
0.568 inches minimum
Gripping Surface Condition
grip aid
Shaft Accommodation Style
counterbored
Outside Diameter
0.690 inches minimum and 0.730 inches maximum
Skirt Style
flared
Reference Marking
arrow
Attachment Method
setscrews
Overall Thickness
1.025 inches minimum and 1.125 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
Skirt Outside Diameter
1.150 inches maximum
Skirt Design
nondetachable
Special Features
tactile form-dimmer,0.610 in. min dia,0.650 in. max dia,0.320 in. min thickness,0.370 in. max thickness
Style Designator
round with bar face
Thread Series Designator
unc screw hole

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5355-00-498-0163 No Name Available 08/01/1976

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FAQs

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

What is the FSCG of the NSN 5355-00-139-0287?
The FSCG of the NSN 5355-00-139-0287 is 5355
Does the NSN 5355-00-139-0287 have a Schedule B code assigned?
Yes, the Schedule B code is 8531900002
Does NSN 5355-00-139-0287 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 5355-00-139-0287 contain precious materials?
Precious metal content is unknown
Does NSN 5355-00-139-0287 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 5355-00-139-0287 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Aug 25, 1971

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