Model: A7-143A

Knob

Properties:

Inside Diameter
Between 0.252 inches and 0.254 inches
Shank Length
Between 0.375 inches and 0.406 inches
Shank Diameter
1.125 inches
Shank Style
Straight
Setscrew Hole Quantity
2
Distance From Hole Center To Knob/skirt Base
Between 0.234 inches and 0.250 inches
Overall Depth
Between 0.500 inches and 0.625 inches
Width
1.625 inches
Fluted Foil Quantity
8
Gripping Surface Condition
Grip aid
Shaft Accommodation Style
Round
Skirt Style
Ring
Attachment Method
Setscrews
Overall Thickness
0.750 inches
Screw Drive Type
Hexagon socket
Thready Qty Per Inch (tpi)
32 screw hole
Thread Size
0.164 inches screw hole
Skirt Outside Diameter
0.750 inches
Skirt Design
Nondetachable
Color
Black
Style Designator
Fluted foils
Thread Series Designator
Unc screw hole
NSN
5355-00-614-0400
Part Number
A7-143A
Description
Knob
CAGE
20950

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 A7-143A NSN 5355-00-614-0400

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
100.0
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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