Model: SM-B-423171

Knob
Description:

0.251 inches inside diameter, 0.685 inches counterbore diameter, 0.255 inches counterbore depth, 2 setscrew hole quantity, 0.435 inches distance from hole center to knob/skirt base.

Properties:

Inside Diameter
Between 0.251 inches and 0.253 inches
Counterbore Diameter
Between 0.685 inches and 0.695 inches
Counterbore Depth
Between 0.255 inches and 0.265 inches
Setscrew Hole Quantity
2
Distance From Hole Center To Knob/skirt Base
Between 0.435 inches and 0.445 inches
Overall Depth
Between 0.600 inches and 0.610 inches
Width
Between 1.145 inches and 1.155 inches
Gripping Surface Condition
Smooth
Shaft Accommodation Style
Counterbored
Attachment Method
Setscrews
Overall Thickness
Between 1.649 inches and 1.659 inches
Screw Drive Type
Cross recess type 1
Thready Qty Per Inch (tpi)
32 screw hole
Thread Size
0.138 inches screw hole
Color
Black
Style Designator
Round with crank
Thread Series Designator
Unc screw hole
NSN
5355-00-034-0990
Part Number
SM-B-423171
Description
Knob
CAGE
80063

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).

Part SM-B-423171 NSN 5355-00-034-0990

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03263
FIIG:
A530M0
Concept No.:
App. Key:
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013120
UFC:
05380
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8531900002
  • SITC: 77885
  • End Use: Electric apparatus
  • NAICS: 335999
  • USDA: 1

Freight Class: Parts of electric sound or visual signaling apparatus other than printed circuit assemblies, nesoi

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