Model: LSTW79-10B3

Panel Screw Assembly

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.343 inches
Fastener Length
0.535 inches
Head Style
Flat countersunk
Head Diameter
0.400 inches
Internal Drive Style
Tri-wing recess
Material Accommodated Thickness
Between 0.090 inches and 0.125 inches
Thread Diameter
0.1900 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
1700 pounds per square inch
Hardness Rating
38.0 rockwell c fastener and 41.0 rockwell c fastener
Countersink Angle
100.0 degrees
Material
Steel comp 8740 fastener
Material
Stainless steel stand-off
Material Specification
Mil-s-23195 military specification single material response stand-off
Material Specification
Mil-s-6049 military specification single material response fastener
Surface Treatment
Cadmium
Thread Series Designator
Unf
NSN
5305-01-285-1059
Part Number
LSTW79-10B3
Description
Screw Assembly,panel
CAGE
97928

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

Part LSTW79-10B3 NSN 5305-01-285-1059

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
33044
FIIG:
A003B0
Concept No.:
App. Key:
SU
Cond. Code:
1
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

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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