Model: 4-40NC3X1-2

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.500 inches

Fastener Length

0.500 inches

Head Style

Knurled no. 1

Head Diameter

Between 0.176 inches and 0.183 inches

Head Height

Between 0.094 inches and 0.108 inches

Internal Drive Style

Hexagon

Thread Diameter

0.112 inches

Width Across Flats

0.094 inches

Thready Qty Per Inch (tpi)

Hardness Rating

80.0 rockwell b

Minimum Yield Strength

30000 pounds per square inch

Material

Stainless steel

Surface Treatment

Passivate

Thread Series Designator

Unc

NSN

5305-00-917-5619

Part Number

4-40NC3X1-2

Description

Screw,cap,socket Head

CAGE

06481

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 4-40NC3X1-2 NSN 5305-00-917-5619

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

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