Model: 509-4-2M-7

Knob
Description:

0.252 inches inside diameter, 0.640 inches counterbore diameter, 0.114 inches counterbore depth, 2 setscrew hole quantity, 0.260 inches distance from hole center to knob/skirt base.

Special Features:

Tactile form-range, 0.792 in. Min dia, 0.832 in. Max dia, 0.413 in. Min thickness, 0.463 in. Max thickness

Properties:

Inside Diameter
Between 0.252 inches and 0.254 inches
Counterbore Diameter
0.640 inches
Counterbore Depth
0.114 inches
Setscrew Hole Quantity
2
Distance From Hole Center To Knob/skirt Base
0.260 inches
Overall Depth
0.520 inches
Width
Between 0.890 inches and 0.930 inches
Gripping Surface Condition
Grip aid
Shaft Accommodation Style
Counterbored
Length
Between 1.325 inches and 1.375 inches
Attachment Method
Setscrews
Overall Thickness
Between 1.105 inches and 1.205 inches
Material Transparency
Opaque
Screw Drive Type
Hexagon socket
Thready Qty Per Inch (tpi)
32 screw hole
Thread Size
0.164 inches screw hole
Pointer Design
Nondetachable
Color
Black, lusterless
Style Designator
Pointed with arched bar
Thread Series Designator
Unc screw hole
Specification Data
96906-ms91528 government standard
NSN
5355-00-027-5977
Part Number
509-4-2M-7
Description
Knob
CAGE
52525

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 509-4-2M-7 NSN 5355-00-027-5977

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:
RATING VARIABLE
LCL:
--
WCC:
772
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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