Model: FT1031-4

Panel Screw Assembly

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.250 inches
Fastener Length
0.901 inches
Head Style
Hexagon
Head Height
0.306 inches
Width Between Flats
0.371 inches
Internal Drive Style
Hexagon
Material Accommodated Thickness
Between 0.188 inches and 0.250 inches
Thread Diameter
0.250 inches
Width Across Flats
0.140 inches
Thready Qty Per Inch (tpi)
28
Material
Aluminum alloy 6061 stand-off
Material
Steel comp 301 primary washer
Material
Steel comp 302 fastener
Material
Steel comp 302 spring
Material
Stainless steel secondary washer
Material Specification
Astm a493 assn standard single material response fastener
Material Specification
Mil-s-5059 military specification single material response primary washer
Material Specification
Qq-a-225/8 federal specification single material response stand-off
Material Specification
Qq-w-423 federal specification single material response spring
Surface Treatment
Anodize stand-off
Surface Treatment
Passivate fastener
Surface Treatment
Passivate primary washer
Surface Treatment
Passivate spring
Surface Treatment Specification
Mil-a-8625 military specification single treatment response stand-off
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response primary washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Thread Series Designator
Unf
NSN
5305-01-434-6593
Part Number
FT1031-4
Description
Screw Assembly,panel
CAGE
58794

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 FT1031-4 NSN 5305-01-434-6593

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: 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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