Model: A320A290-101

Internal Wrenching Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.368 inches and 0.492 inches
Fastener Length
Between 0.610 inches and 0.640 inches
Head Style
Bevel-conical
Head Diameter
Between 0.318 inches and 0.328 inches
Head Height
Between 0.240 inches and 0.260 inches
Internal Drive Style
Tri-wing recess
Thread Diameter
0.1900 inches
Width Across Flats
Between 0.156 inches and 0.158 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
155000 pounds per square inch
Hardness Rating
34.0 rockwell c
Material
Steel comp 630
Material Specification
Ams-5643 cond a assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unf
NSN
5306-01-228-9038
Part Number
A320A290-101
Description
Bolt,internal Wrenching
CAGE
88818

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part A320A290-101 NSN 5306-01-228-9038

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06666
FIIG:
A003B0
Concept No.:
App. Key:
BM
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

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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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