Model: 2-56UNC3AX3-8

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.375 inches

Fastener Length

0.375 inches

Head Style

Button

Head Diameter

Between 0.154 inches and 0.164 inches

Head Height

Between 0.038 inches and 0.046 inches

Spline Major Diameter

Between 0.061 inches and 0.062 inches

Internal Drive Style

Six spline

Thread Diameter

0.086 inches

Thready Qty Per Inch (tpi)

Hardness Rating

36.0 rockwell c and 43.0 rockwell c

Material

Steel

Surface Treatment

Cadmium

Thread Series Designator

Unc

NSN

5305-00-405-6956

Part Number

2-56UNC3AX3-8

Description

Screw,cap,socket Head

CAGE

08664

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 2-56UNC3AX3-8 NSN 5305-00-405-6956

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:

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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