Model: 4140

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.125 inches

Fastener Length

0.125 inches

Head Style

Headless (setscrew)

Spline Minor Diameter

Between 0.055 inches and 0.056 inches

Spline Major Diameter

Between 0.078 inches and 0.079 inches

Spline Width

Between 0.022 inches and 0.023 inches

Point Style

Cup

Internal Drive Style

Cross recess type 1

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Material

Steel

Thread Series Designator

Unc

NSN

5305-00-799-8431

Part Number

4140

Description

Setscrew

CAGE

00781

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 4140 NSN 5305-00-799-8431

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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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