Model: 2526446

Socket Head Cap Screw

Special Features:

Heat treat to 160, 000 psi ultimate tensile strength

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.533 inches and 0.593 inches
Fastener Length
Between 1.063 inches and 1.073 inches
Head Style
Fillister
Head Diameter
0.625 inches
Head Height
Between 0.285 inches and 0.300 inches
Locking Feature
Patch
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.250 inches and 0.253 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
36.0 rockwell c and 42.0 rockwell c
Chamfer Angle
45.0 degrees
Part Name Assigned By Controlling Agency
Bolt, self-locking
Material
Steel comp 4340
Material Specification
Mil-s-5000 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 3 assn standard single treatment response
Thread Series Designator
Unf
NSN
5305-01-601-7151
Part Number
2526446
Description
Screw,cap,socket Head
CAGE
53711

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 2526446 NSN 5305-01-601-7151

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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