Model: 2643-930-53FNA29

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.525 inches and 1.625 inches
Fastener Length
1.625 inches
Head Style
Flat chamfer
Head Diameter
Between 0.735 inches and 0.750 inches
Head Height
Between 0.492 inches and 0.500 inches
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
0.375 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
105000 pounds per square inch
Material
Steel comp 304 and steel comp 305
Material Specification
Astm a593 assn standard all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Astm a380 assn standard single treatment response
Thread Series Designator
Unf
NSN
5305-01-392-4272
Part Number
2643-930-53FNA29
Description
Screw,cap,socket Head
CAGE
96169

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 2643-930-53FNA29 NSN 5305-01-392-4272

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:
A
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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