Model: PK56Z4-3

Tapping Screw

Properties:

Fastener Length

0.188 inches

Head Style

Button

Head Diameter

Between 0.246 inches and 0.258 inches

Head Height

Between 0.052 inches and 0.062 inches

Internal Drive Style

Slot

Features Provided

Casehardened

Nonmachine Thread Style

Dog type (type b or c)

Nonmachine Thread Diameter

0.112 inches

Material

Steel

Surface Treatment

Cadmium

NSN

5305-00-285-7472

Part Number

PK56Z4-3

Description

Screw,tapping

CAGE

45722

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.

Part PK56Z4-3 NSN 5305-00-285-7472

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

41756

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: 7318140000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Self-tapping screws of iron or steel