Model: D20418-41

Panel Screw Assembly

Special Features:

Threaded hole in head 440 unc-2b; also furnished nut made 4-40 unc-2b 0.172-0.202 in. Dia; 0.057-0.066 in. Lg; lockwasher made of phpspher bronze per astm b139; gold plated; 0.209-0.224 in. Dia; 0.26-0.036 in. Lg 2 reqd

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.227 inches and 0.327 inches

Fastener Length

Between 0.297 inches and 0.327 inches

Head Style

Flat chamfer

Head Diameter

Between 0.172 inches and 0.202 inches

Head Height

Between 0.172 inches and 0.202 inches

Internal Drive Style

Slot

Thread Diameter

0.112 inches

Thready Qty Per Inch (tpi)

Material

Copper alloy 360

Material Specification

Qq-b-626 comp 22 federal specification single material response

Precious Material And Location

gold

Precious Material

Gold

Surface Treatment

Gold

Surface Treatment Specification

Mil-g-45204 type 2 cl 2 military specification single treatment response

Thread Series Designator

Unc

NSN

5305-00-104-5062

Part Number

D20418-41

Description

Screw Assembly,panel

CAGE

71468

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

Part D20418-41 NSN 5305-00-104-5062

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

33044

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: 7415338550
SITC: 69433
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts