Model: 5191409-3

Panel Screw Assembly

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.098 inches and 0.160 inches
Fastener Length
Between 0.385 inches and 0.425 inches
Head Style
Flat countersunk
Head Diameter
0.317 inches
Internal Drive Style
Cross recess type 1
Material Accommodated Thickness
Between 0.109 inches and 0.115 inches
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Hardness Rating
34.0 rockwell c fastener and 38.0 rockwell c fastener
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Material
Steel comp 301 primary washer or steel comp 302 primary washer or steel comp 304 primary washer or steel comp 316 primary washercopper alloy 360 stand-offsteel comp 4037 fastener
Material Specification
Mil-s-5059 military specification single material response primary washerqq-b-626, comp 22 federal specification single material response stand-offmil-s-8695 military specification single material response fastener
Surface Treatment
Passivate primary washercadmium stand-offcadmium fastener
Surface Treatment Specification
Mil-std-171 military standard single treatment response primary washerqq-p-416, type 1, class 2 federal specification single treatment response stand-offqq-p-416, type 1, class 2 federal specification single treatment response fastener
Thread Series Designator
Unc
NSN
5305-01-366-2784
Part Number
5191409-3
Description
Screw Assembly,panel
CAGE
53711

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 5191409-3 NSN 5305-01-366-2784

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:
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: 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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