Model: 451790

Tapping Screw

Properties:

Fastener Length

Between 0.350 inches and 0.380 inches

Head Style

Hexagon extended washer

Head Height

Between 0.124 inches and 0.151 inches

Width Between Flats

Between 0.305 inches and 0.312 inches

Extended Washer Diameter

Between 0.384 inches and 0.414 inches

Extended Washer Thickness

Between 0.019 inches and 0.031 inches

Internal Drive Style

W/o internal drive

Features Provided

Casehardened

Hardness Rating

45.0 rockwell c

Nonmachine Thread Style

Dog type (type b or c)

Nonmachine Thread Diameter

0.190 inches

Material

Steel

Material Specification

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

Surface Treatment

Cadmium or zinc

Surface Treatment Specification

Gm 4252-m code 20, fscm 11862 mfr ref all treatment responses

NSN

5305-01-161-2583

Part Number

451790

Description

Screw,tapping

CAGE

11862

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 451790 NSN 5305-01-161-2583

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