Model: 179259

Tapping Screw

Properties:

Fastener Length

0.312 inches

Head Style

Round

Head Diameter

Between 0.240 inches and 0.260 inches

Head Height

Between 0.091 inches and 0.103 inches

Internal Drive Style

Slot

Nonmachine Thread Style

Thru slot (type d)

Nonmachine Thread Diameter

0.138 inches

Material

Steel

Surface Treatment

Cadmium or zinc

Nondefinitive Specification/std Data

Cs type and 1s style

NSN

5305-00-017-9259

Part Number

179259

Description

Screw,tapping

CAGE

78880

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 179259 NSN 5305-00-017-9259

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