Model: 290-402 1/2SS

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.156 inches
Fastener Length
0.156 inches
Head Style
Flat chamfer
Head Diameter
Between 0.178 inches and 0.183 inches
Head Height
Between 0.109 inches and 0.112 inches
Hole Diameter
0.037 inches
Internal Drive Style
Hexagon
Thread Diameter
0.112 inches
Width Across Flats
0.079 inches
Hole Quantity
4
Hole Type
Drilled
Thready Qty Per Inch (tpi)
48
Hole Configuration Style
Round
Material
Copper alloy 377
Material Specification
Qq-b-611a, cond 1/2 hard federal specification single material response
Thread Series Designator
Unf
NSN
5305-00-639-3377
Part Number
290-402 1/2SS
Description
Screw,cap,socket Head
CAGE
1NZ85

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 290-402 1/2SS NSN 5305-00-639-3377

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096630
UFC:
50590
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415338550
  • SITC: 69433
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts

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