Model: 1979385

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

Between 0.470 inches and 0.500 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

Point Style

Half dog

Internal Drive Style

W/o internal drive

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Material

Steel

Material Specification

Gm 255-m fscm 16764 mfr ref single material response

Surface Treatment

Dichromate zinc

Surface Treatment Specification

Gm 4342-m code 20d72 fscm 16764 mfr ref single treatment response

Thread Series Designator

Unf

NSN

5305-01-145-4004

Part Number

1979385

Description

Setscrew

CAGE

K4285

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part 1979385 NSN 5305-01-145-4004

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06672

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: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment