Model: MS51851-128

Tapping Screw

Properties:

Fastener Length

Between 0.950 inches and 1.000 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

Slot

Features Provided

Casehardened

Nonmachine Thread Style

Thru slot (type d)

Nonmachine Thread Diameter

0.375 inches

Material

Steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1021 or steel comp 1022 or steel comp 1524

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2 cl 3 federal specification single treatment response

Nondefinitive Specification/std Data

D type

NSN

5305-01-219-5386

Part Number

MS51851-128

Description

Screw,tapping

CAGE

96906

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 MS51851-128 NSN 5305-01-219-5386

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:

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