Model: S20620-3

Socket Head Cap Screw

Special Features:

Locking element shall begin no more than two and one half threads from screw end

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.216 inches and 0.283 inches

Fastener Length

Between 0.282 inches and 0.312 inches

Head Style

Flat countersunk

Head Diameter

Between 0.143 inches and 0.172 inches

Locking Feature

Patch threads

Internal Drive Style

Cross recess type 1

Thread Diameter

0.086 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

80000 pounds per square inch

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Material

Plastic locking feature

Material

Steel comp 321 fastener or steel comp 347 fastener or steel comp 302 fastener or steel comp 303 fastener

Material Specification

Mil-f-18240 military specification single material response locking feature

Surface Treatment

Passivate fastener

Surface Treatment Specification

Qq-p-35 federal specification single treatment response fastener

Thread Series Designator

Unc

NSN

5305-01-267-8283

Part Number

S20620-3

Description

Screw,cap,socket Head

CAGE

26233

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part S20620-3 NSN 5305-01-267-8283

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

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:

156600

UFC:

77670

LTL:

RATING VARIABLE

LCL:

WCC:

772

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