Model: 257-001-003

Tapping Screw

Special Features:

Furnished w/1 black nylon boot washer

Properties:

Fastener Length

1.125 inches

Head Style

Pan no. 2

Head Diameter

Between 0.390 inches and 0.400 inches

Head Height

Between 0.093 inches and 0.103 inches

Internal Drive Style

Cross recess type 1

Nonmachine Thread Style

Dog type (type b or c)

Nonmachine Thread Diameter

0.190 inches

Material

Steel comp 1016

Surface Treatment

Nickel

NSN

5305-00-143-9842

Part Number

257-001-003

Description

Screw,tapping

CAGE

14002

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 257-001-003 NSN 5305-00-143-9842

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:

096640

UFC:

50600

LTL:

70.0

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