Model: F990

Tapping Screw

Properties:

Fastener Length

0.500 inches

Head Style

Flat countersunk

Head Diameter

Between 0.292 inches and 0.332 inches

Internal Drive Style

Cross recess type 1

Nonmachine Thread Style

Thru slot (type d) or double flute (type f) or through slot (type 6) or wide flute (type t)

Countersink Angle

Between 80.0 degrees and 82.0 degrees

Nonmachine Thread Diameter

0.164 inches

Material

Steel comp 410 or steel comp 420

Material Specification

66 federal standard all material responses

Surface Treatment

Passivate

NSN

5305-00-721-4782

Part Number

F990

Description

Screw,tapping

CAGE

00365

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 F990 NSN 5305-00-721-4782

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