Model: 656-186-9004

Panel Screw Assembly

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.250 inches
Fastener Length
Between 0.582 inches and 0.612 inches
Head Style
Pan no. 2
Head Diameter
0.365 inches
Head Height
0.187 inches
Internal Drive Style
Hexagon
Material Accommodated Thickness
Between 0.063 inches and 0.125 inches
Thread Diameter
0.190 inches
Width Across Flats
0.188 inches
Thready Qty Per Inch (tpi)
32
Material
Aluminum alloy 6061 stand-off
Material
Steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp 321 fastener or steel comp 347 fastener or steel comp 384 fastener or steel comp 385 fastener
Material Specification
Astm a493 assn standard all material responses fastener
Material Specification
Qq-a-225/8 federal specification single material response stand-off
Surface Treatment
Anodize stand-off
Surface Treatment
Passivate fastener
Surface Treatment Specification
Mil-a-8625 type 1 cl 1 military specification single treatment response stand-off
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Thread Series Designator
Unf
NSN
5305-01-459-8244
Part Number
656-186-9004
Description
Screw Assembly,panel
CAGE
70210

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 656-186-9004 NSN 5305-01-459-8244

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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