Model: 72531-3F-6D

Socket Head Cap Screw

Special Features:

Low head; heat treated

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
0.470 inches
Head Style
Pan no. 2
Head Diameter
Between 0.307 inches and 0.312 inches
Head Height
Between 0.092 inches and 0.098 inches
Internal Drive Style
Hexagon
Thread Diameter
0.190 inches
Width Across Flats
0.0938 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
170000 pounds per square inch
Hardness Rating
38.0 rockwell c
Minimum Yield Strength
150000 pounds per square inch
Material
Steel
Surface Treatment
Cadmium
Thread Series Designator
Unrc
NSN
5305-01-384-9902
Part Number
72531-3F-6D
Description
Screw,cap,socket Head
CAGE
56878

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 72531-3F-6D NSN 5305-01-384-9902

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:
A
ESD:
A
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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