Model: 571740-08H4

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.250 inches

Fastener Length

0.250 inches

Head Style

Flat chamfer

Head Diameter

Between 0.262 inches and 0.270 inches

Head Height

Between 0.159 inches and 0.164 inches

Hole Diameter

0.046 inches

Internal Drive Style

Hexagon

Thread Diameter

0.164 inches

Width Across Flats

Between 0.140 inches and 0.142 inches

Hole Quantity

Hole Type

Drilled

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Hardness Rating

38.0 rockwell c and 43.0 rockwell c

Hole Configuration Style

Round internal hexagon

Material

Steel comp 410

Material Specification

Qq-s-763 federal specification single material response

Thread Series Designator

Unc

NSN

5305-00-573-9257

Part Number

571740-08H4

Description

Screw,cap,socket Head

CAGE

73030

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 571740-08H4 NSN 5305-00-573-9257

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:

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