Model: 173-SS-20

Externally Relieved Body Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.359 inches and 0.391 inches

Fastener Length

Between 1.359 inches and 1.391 inches

Head Style

Knurled no. 1

Head Diameter

Between 0.433 inches and 0.443 inches

Head Height

Between 0.234 inches and 0.266 inches

First Diameter From Head

Between 0.125 inches and 0.135 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

Between 0.990 inches and 1.010 inches

Internal Drive Style

Slot

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Material

Steel comp 303 or steel comp 303 plus x or steel comp 303cu or steel comp 303ma or steel comp 303se

Material Specification

Mil-w-52263c military specification all material responses

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unf

NSN

5305-00-366-9211

Part Number

173-SS-20

Description

Screw,externally Relieved Body

CAGE

55566

Part 173-SS-20 NSN 5305-00-366-9211

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01852

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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