Model: 4250-6-18G

Machine Screw

Special Features:

Installed in head on bearing surface is an o-ring, silicone rubber, composition a

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.670 inches

Fastener Length

Between 0.720 inches and 0.750 inches

Head Style

Pan no. 2

Head Diameter

Between 0.205 inches and 0.238 inches

Head Height

Between 0.070 inches and 0.080 inches

Internal Drive Style

Cross recess type 1

Thread Diameter

0.112 inches

Thready Qty Per Inch (tpi)

Screw Material

Stainless steel

Screw Surface Treatment

Passivate

Screw Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Color

Gray

Thread Series Designator

Unc

NSN

5305-01-339-8635

Part Number

4250-6-18G

Description

Screw,machine

CAGE

82340

Part 4250-6-18G NSN 5305-01-339-8635

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06657

FIIG:

A500D0

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

133300

UFC:

63220

LTL:

RATING VARIABLE

LCL:

WCC:

72E

TCC:

SHC:

ACC:

Construction Materials

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