Model: 172478

Tapping Screw

Properties:

Fastener Length

Between 0.470 inches and 0.530 inches

Head Style

Hexagon

Head Height

Between 0.270 inches and 0.295 inches

Width Between Flats

Between 0.551 inches and 0.562 inches

Internal Drive Style

W/o internal drive

Features Provided

Casehardened

Nonmachine Thread Style

Thru slot (type d)

Nonmachine Thread Diameter

0.375 inches

Material

Steel

Material Specification

G-6010-m, fscm 11862 mfr ref single material response

Surface Treatment

Cadmium or zinc

Surface Treatment Specification

-4252-m, fscm 11862 federal specification all treatment responses or g-4342-m code 20, fscm 11862 mfr ref 2nd treatment response

NSN

5305-01-186-1208

Part Number

172478

Description

Screw,tapping

CAGE

7X677

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 172478 NSN 5305-01-186-1208

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

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