Model: A320C078-101

Panel Screw Assembly

Properties:

Thread Class
3a
Thread Direction
Right-hand
Fastener Length
1.139 inches
Head Style
Knurled no. 5
Head Diameter
Between 0.516 inches and 0.546 inches
Head Height
Between 0.515 inches and 0.545 inches
Internal Drive Style
Cross recess type 1
Material Accommodated Thickness
Between 0.032 inches and 0.092 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Material
Aluminum alloy 6061 head
Material
Aluminum alloy 6061 stand-off
Material Specification
Qq-a-225/8, t6 federal specification single material response head
Material Specification
Qq-a-225/8, t6 federal specification single material response stand-off
Surface Treatment
Anodize head
Surface Treatment
Anodize stand-off
Surface Treatment Specification
Mil-a-8625, type 1, class 1 military specification single treatment response head
Surface Treatment Specification
Mil-a-8625, type 1, class 1 military specification single treatment response stand-off
Thread Series Designator
Unf
NSN
5305-01-376-4766
Part Number
A320C078-101
Description
Screw Assembly,panel
CAGE
88818

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 A320C078-101 NSN 5305-01-376-4766

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:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 7616106000
  • SITC: 69440
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Threaded fasteners of aluminum

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