Model: A408305-9

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.968 inches and 1.032 inches

Fastener Length

Between 1.234 inches and 1.266 inches

Head Style

Flat chamfer

Head Diameter

0.750 inches

Head Height

Between 0.312 inches and 0.322 inches

Internal Drive Style

Hexagon

Thread Diameter

0.500 inches

Width Across Flats

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

175000 pounds per square inch

Hardness Rating

38.0 rockwell c and 42.0 rockwell c

Hardness Rating

38.0 rockwell c and 42.0 rockwell c

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp e4340

Material Specification

Mil-s-5000 military specification single material response

Thread Series Designator

Unf

NSN

5305-00-143-3189

Part Number

A408305-9

Description

Screw,cap,socket Head

CAGE

80020

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 A408305-9 NSN 5305-00-143-3189

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:

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