Model: PKAL56Z6-4

Tapping Screw

Properties:

Fastener Length

0.250 inches

Head Style

Button

Head Diameter

Between 0.300 inches and 0.316 inches

Head Height

Between 0.068 inches and 0.078 inches

Internal Drive Style

Cross recess type 1

Nonmachine Thread Style

Dog type (type b or c)

Nonmachine Thread Diameter

0.137 inches

Material

Aluminum alloy

Material Specification

Sae 24s assn standard single material response

Surface Treatment

Cadmium

NSN

5305-00-283-0268

Part Number

PKAL56Z6-4

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 PKAL56Z6-4 NSN 5305-00-283-0268

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:

013680

UFC:

05760

LTL:

70.0

LCL:

70.0

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7616106000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Threaded fasteners of aluminum