Model: LB13-4-14

Panel Screw Assembly

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
Between 1.340 inches and 1.360 inches
Head Style
Flat countersunk
Head Diameter
Between 0.5018 inches and 0.5066 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.251 inches and 0.255 inches
Features Provided
Hex nut
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
95000 pounds per square inch
Countersink Angle
100.0 degrees
Material
Steel comp 440c pointstainless steel spring or cobalt alloy springsteel comp xm-13 stand-offtitanium alloy uns r56400 fastener
Material Specification
Qq-s-763 federal specification single material response pointams 5629 assn standard single material response stand-offams 4928 assn standard single material response fastener
Thread Series Designator
Unjf
NSN
5305-01-352-4226
Part Number
LB13-4-14
Description
Screw Assembly,panel
CAGE
73197

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 LB13-4-14 NSN 5305-01-352-4226

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:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096640
UFC:
50600
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8108908000
  • SITC: 69985
  • End Use: Nonferrous metals, other
  • NAICS: 331491
  • USDA: 1

Freight Class: Other wrought titanium, nesoi

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