Model: F2579

Setscrew

Properties:

Thread Direction

Right-hand

Thread Length

Between 0.372 inches and 0.564 inches

Fastener Length

Between 0.847 inches and 0.871 inches

Head Style

Hexagon

Head Height

Between 0.149 inches and 0.163 inches

Width Between Flats

Between 0.490 inches and 0.500 inches

Point Length

Between 0.119 inches and 0.163 inches

Point Diameter

Between 0.238 inches and 0.242 inches

Point Style

Flat

Internal Drive Style

W/o internal drive

Thread Diameter

0.312 inches

Nonstandard Thread Pitch Diameter

+0.2840/+0.2870 inches

Thready Qty Per Inch (tpi)

Hardness Rating

30.0 rockwell c and 38.0 rockwell c

Point Chamfer Angle

45.0 degrees

Material

Steel comp 3140

Material Specification

Qq-s-624 federal specification single material response

Thread Series Designator

Unf

NSN

5305-00-638-8698

Part Number

F2579

Description

Setscrew

CAGE

72850

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part F2579 NSN 5305-00-638-8698

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06672

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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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